Home / 915,428-1,331,589

Finding the Third Proportional to 915,428 and 1,331,589

Calculator

Solution

The third proportional to 915,428 and 1,331,589 is: 1,936,940.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,428 : 1,331,589 = 1,331,589 : x
  2. Step 2: Convert to fraction form
    915,428/1,331,589 = 1,331,589/x
  3. Step 3: Cross multiply
    915,428x = 1,331,589 × 1,331,589
  4. Step 4: Simplify right side
    915,428x = 1,773,129,264,921
  5. Step 5: Solve for x
    x = 1,773,129,264,921/915,428
  6. Step 6: Final answer
    x = 1,936,940.17

Related Problems

Find third proportional to 457,714 and 665,794.50
Half scale
Find third proportional to 1,830,856 and 2,663,178
Double scale
Find third proportional to 915,430 and 1,331,592
Similar ratio
Find third proportional to 1,373,142 and 1,997,383.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.