Home / 691,120-1,128,544

Finding the Third Proportional to 691,120 and 1,128,544

Calculator

Solution

The third proportional to 691,120 and 1,128,544 is: 1,842,822.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,120 : 1,128,544 = 1,128,544 : x
  2. Step 2: Convert to fraction form
    691,120/1,128,544 = 1,128,544/x
  3. Step 3: Cross multiply
    691,120x = 1,128,544 × 1,128,544
  4. Step 4: Simplify right side
    691,120x = 1,273,611,559,936
  5. Step 5: Solve for x
    x = 1,273,611,559,936/691,120
  6. Step 6: Final answer
    x = 1,842,822.61

Related Problems

Find third proportional to 345,560 and 564,272
Half scale
Find third proportional to 1,382,240 and 2,257,088
Double scale
Find third proportional to 691,122 and 1,128,547
Similar ratio
Find third proportional to 1,036,680 and 1,692,816
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.