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Finding the Third Proportional to 15,167,676 and 21,461,796

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Solution

The third proportional to 15,167,676 and 21,461,796 is: 30,367,782.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,167,676 : 21,461,796 = 21,461,796 : x
  2. Step 2: Convert to fraction form
    15,167,676/21,461,796 = 21,461,796/x
  3. Step 3: Cross multiply
    15,167,676x = 21,461,796 × 21,461,796
  4. Step 4: Simplify right side
    15,167,676x = 460,608,687,545,616
  5. Step 5: Solve for x
    x = 460,608,687,545,616/15,167,676
  6. Step 6: Final answer
    x = 30,367,782.62

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.