Home / 98,853-217,386

Finding the Third Proportional to 98,853 and 217,386

Calculator

Solution

The third proportional to 98,853 and 217,386 is: 478,049.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,853 : 217,386 = 217,386 : x
  2. Step 2: Convert to fraction form
    98,853/217,386 = 217,386/x
  3. Step 3: Cross multiply
    98,853x = 217,386 × 217,386
  4. Step 4: Simplify right side
    98,853x = 47,256,672,996
  5. Step 5: Solve for x
    x = 47,256,672,996/98,853
  6. Step 6: Final answer
    x = 478,049.96

Related Problems

Find third proportional to 49,426.50 and 108,693
Half scale
Find third proportional to 197,706 and 434,772
Double scale
Find third proportional to 98,855 and 217,390
Similar ratio
Find third proportional to 148,279.50 and 326,079
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.