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Finding the Third Proportional to 20,741,680 and 29,877,088

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Solution

The third proportional to 20,741,680 and 29,877,088 is: 43,036,069.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,741,680 : 29,877,088 = 29,877,088 : x
  2. Step 2: Convert to fraction form
    20,741,680/29,877,088 = 29,877,088/x
  3. Step 3: Cross multiply
    20,741,680x = 29,877,088 × 29,877,088
  4. Step 4: Simplify right side
    20,741,680x = 892,640,387,359,744
  5. Step 5: Solve for x
    x = 892,640,387,359,744/20,741,680
  6. Step 6: Final answer
    x = 43,036,069.76

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.