Home / 409,389,120-585,431,264

Finding the Third Proportional to 409,389,120 and 585,431,264

Calculator

Solution

The third proportional to 409,389,120 and 585,431,264 is: 837,173,603.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,389,120 : 585,431,264 = 585,431,264 : x
  2. Step 2: Convert to fraction form
    409,389,120/585,431,264 = 585,431,264/x
  3. Step 3: Cross multiply
    409,389,120x = 585,431,264 × 585,431,264
  4. Step 4: Simplify right side
    409,389,120x = 342,729,764,868,637,696
  5. Step 5: Solve for x
    x = 342,729,764,868,637,696/409,389,120
  6. Step 6: Final answer
    x = 837,173,603.61

Related Problems

Find third proportional to 204,694,560 and 292,715,632
Half scale
Find third proportional to 818,778,240 and 1,170,862,528
Double scale
Find third proportional to 409,389,122 and 585,431,267
Similar ratio
Find third proportional to 614,083,680 and 878,146,896
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.