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Finding the Third Proportional to 7,979,519 and 12,637,317

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Solution

The third proportional to 7,979,519 and 12,637,317 is: 20,013,960.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979,519 : 12,637,317 = 12,637,317 : x
  2. Step 2: Convert to fraction form
    7,979,519/12,637,317 = 12,637,317/x
  3. Step 3: Cross multiply
    7,979,519x = 12,637,317 × 12,637,317
  4. Step 4: Simplify right side
    7,979,519x = 159,701,780,958,489
  5. Step 5: Solve for x
    x = 159,701,780,958,489/7,979,519
  6. Step 6: Final answer
    x = 20,013,960.86

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.