Home / 125,118-278,214

Finding the Third Proportional to 125,118 and 278,214

Calculator

Solution

The third proportional to 125,118 and 278,214 is: 618,640.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,118 : 278,214 = 278,214 : x
  2. Step 2: Convert to fraction form
    125,118/278,214 = 278,214/x
  3. Step 3: Cross multiply
    125,118x = 278,214 × 278,214
  4. Step 4: Simplify right side
    125,118x = 77,403,029,796
  5. Step 5: Solve for x
    x = 77,403,029,796/125,118
  6. Step 6: Final answer
    x = 618,640.24

Related Problems

Find third proportional to 62,559 and 139,107
Half scale
Find third proportional to 250,236 and 556,428
Double scale
Find third proportional to 125,120 and 278,218
Similar ratio
Find third proportional to 187,677 and 417,321
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.