Home / 515,442-757,716

Finding the Third Proportional to 515,442 and 757,716

Calculator

Solution

The third proportional to 515,442 and 757,716 is: 1,113,866.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,442 : 757,716 = 757,716 : x
  2. Step 2: Convert to fraction form
    515,442/757,716 = 757,716/x
  3. Step 3: Cross multiply
    515,442x = 757,716 × 757,716
  4. Step 4: Simplify right side
    515,442x = 574,133,536,656
  5. Step 5: Solve for x
    x = 574,133,536,656/515,442
  6. Step 6: Final answer
    x = 1,113,866.42

Related Problems

Find third proportional to 257,721 and 378,858
Half scale
Find third proportional to 1,030,884 and 1,515,432
Double scale
Find third proportional to 515,444 and 757,719
Similar ratio
Find third proportional to 773,163 and 1,136,574
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.