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Finding the Third Proportional to 17,038,979 and 36,676,115

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Solution

The third proportional to 17,038,979 and 36,676,115 is: 78,944,719.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,038,979 : 36,676,115 = 36,676,115 : x
  2. Step 2: Convert to fraction form
    17,038,979/36,676,115 = 36,676,115/x
  3. Step 3: Cross multiply
    17,038,979x = 36,676,115 × 36,676,115
  4. Step 4: Simplify right side
    17,038,979x = 1,345,137,411,493,225
  5. Step 5: Solve for x
    x = 1,345,137,411,493,225/17,038,979
  6. Step 6: Final answer
    x = 78,944,719.13

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.