Home / 303,660-657,396

Finding the Third Proportional to 303,660 and 657,396

Calculator

Solution

The third proportional to 303,660 and 657,396 is: 1,423,201.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,660 : 657,396 = 657,396 : x
  2. Step 2: Convert to fraction form
    303,660/657,396 = 657,396/x
  3. Step 3: Cross multiply
    303,660x = 657,396 × 657,396
  4. Step 4: Simplify right side
    303,660x = 432,169,500,816
  5. Step 5: Solve for x
    x = 432,169,500,816/303,660
  6. Step 6: Final answer
    x = 1,423,201.94

Related Problems

Find third proportional to 151,830 and 328,698
Half scale
Find third proportional to 607,320 and 1,314,792
Double scale
Find third proportional to 303,662 and 657,400
Similar ratio
Find third proportional to 455,490 and 986,094
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.