Home / 239,956-372,510

Finding the Third Proportional to 239,956 and 372,510

Calculator

Solution

The third proportional to 239,956 and 372,510 is: 578,288.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,956 : 372,510 = 372,510 : x
  2. Step 2: Convert to fraction form
    239,956/372,510 = 372,510/x
  3. Step 3: Cross multiply
    239,956x = 372,510 × 372,510
  4. Step 4: Simplify right side
    239,956x = 138,763,700,100
  5. Step 5: Solve for x
    x = 138,763,700,100/239,956
  6. Step 6: Final answer
    x = 578,288.10

Related Problems

Find third proportional to 119,978 and 186,255
Half scale
Find third proportional to 479,912 and 745,020
Double scale
Find third proportional to 239,958 and 372,513
Similar ratio
Find third proportional to 359,934 and 558,765
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.