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Finding the Third Proportional to 15,167,703 and 21,461,836.50

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Solution

The third proportional to 15,167,703 and 21,461,836.50 is: 30,367,843.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,167,703 : 21,461,836.50 = 21,461,836.50 : x
  2. Step 2: Convert to fraction form
    15,167,703/21,461,836.50 = 21,461,836.50/x
  3. Step 3: Cross multiply
    15,167,703x = 21,461,836.50 × 21,461,836.50
  4. Step 4: Simplify right side
    15,167,703x = 460,610,425,952,732.25
  5. Step 5: Solve for x
    x = 460,610,425,952,732.25/15,167,703
  6. Step 6: Final answer
    x = 30,367,843.17

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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.