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Finding the Third Proportional to 20,124,020 and 31,381,769

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Solution

The third proportional to 20,124,020 and 31,381,769 is: 48,937,311.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,124,020 : 31,381,769 = 31,381,769 : x
  2. Step 2: Convert to fraction form
    20,124,020/31,381,769 = 31,381,769/x
  3. Step 3: Cross multiply
    20,124,020x = 31,381,769 × 31,381,769
  4. Step 4: Simplify right side
    20,124,020x = 984,815,425,569,361
  5. Step 5: Solve for x
    x = 984,815,425,569,361/20,124,020
  6. Step 6: Final answer
    x = 48,937,311.01

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.