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Finding the Third Proportional to 140,000.91 and 215,313.19

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Solution

The third proportional to 140,000.91 and 215,313.19 is: 331,139.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,000.91 : 215,313.19 = 215,313.19 : x
  2. Step 2: Convert to fraction form
    140,000.91/215,313.19 = 215,313.19/x
  3. Step 3: Cross multiply
    140,000.91x = 215,313.19 × 215,313.19
  4. Step 4: Simplify right side
    140,000.91x = 46,359,768,711.41
  5. Step 5: Solve for x
    x = 46,359,768,711.41/140,000.91
  6. Step 6: Final answer
    x = 331,139.06

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.