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Finding the Third Proportional to 20,238,399 and 31,088,658

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Solution

The third proportional to 20,238,399 and 31,088,658 is: 47,755,983.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,238,399 : 31,088,658 = 31,088,658 : x
  2. Step 2: Convert to fraction form
    20,238,399/31,088,658 = 31,088,658/x
  3. Step 3: Cross multiply
    20,238,399x = 31,088,658 × 31,088,658
  4. Step 4: Simplify right side
    20,238,399x = 966,504,656,240,964
  5. Step 5: Solve for x
    x = 966,504,656,240,964/20,238,399
  6. Step 6: Final answer
    x = 47,755,983.87

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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.