Home / 516,110-781,940

Finding the Third Proportional to 516,110 and 781,940

Calculator

Solution

The third proportional to 516,110 and 781,940 is: 1,184,689.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,110 : 781,940 = 781,940 : x
  2. Step 2: Convert to fraction form
    516,110/781,940 = 781,940/x
  3. Step 3: Cross multiply
    516,110x = 781,940 × 781,940
  4. Step 4: Simplify right side
    516,110x = 611,430,163,600
  5. Step 5: Solve for x
    x = 611,430,163,600/516,110
  6. Step 6: Final answer
    x = 1,184,689.63

Related Problems

Find third proportional to 258,055 and 390,970
Half scale
Find third proportional to 1,032,220 and 1,563,880
Double scale
Find third proportional to 516,112 and 781,943
Similar ratio
Find third proportional to 774,165 and 1,172,910
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.