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Finding the Third Proportional to 21,939,871.50 and 47,251,287

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Solution

The third proportional to 21,939,871.50 and 47,251,287 is: 101,763,773.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,939,871.50 : 47,251,287 = 47,251,287 : x
  2. Step 2: Convert to fraction form
    21,939,871.50/47,251,287 = 47,251,287/x
  3. Step 3: Cross multiply
    21,939,871.50x = 47,251,287 × 47,251,287
  4. Step 4: Simplify right side
    21,939,871.50x = 2,232,684,123,156,369
  5. Step 5: Solve for x
    x = 2,232,684,123,156,369/21,939,871.50
  6. Step 6: Final answer
    x = 101,763,773.92

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.