Home / 125,220-278,433

Finding the Third Proportional to 125,220 and 278,433

Calculator

Solution

The third proportional to 125,220 and 278,433 is: 619,109.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,220 : 278,433 = 278,433 : x
  2. Step 2: Convert to fraction form
    125,220/278,433 = 278,433/x
  3. Step 3: Cross multiply
    125,220x = 278,433 × 278,433
  4. Step 4: Simplify right side
    125,220x = 77,524,935,489
  5. Step 5: Solve for x
    x = 77,524,935,489/125,220
  6. Step 6: Final answer
    x = 619,109.85

Related Problems

Find third proportional to 62,610 and 139,216.50
Half scale
Find third proportional to 250,440 and 556,866
Double scale
Find third proportional to 125,222 and 278,437
Similar ratio
Find third proportional to 187,830 and 417,649.50
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.