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Finding the Third Proportional to 7,979,025 and 12,636,531

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Solution

The third proportional to 7,979,025 and 12,636,531 is: 20,012,710.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979,025 : 12,636,531 = 12,636,531 : x
  2. Step 2: Convert to fraction form
    7,979,025/12,636,531 = 12,636,531/x
  3. Step 3: Cross multiply
    7,979,025x = 12,636,531 × 12,636,531
  4. Step 4: Simplify right side
    7,979,025x = 159,681,915,713,961
  5. Step 5: Solve for x
    x = 159,681,915,713,961/7,979,025
  6. Step 6: Final answer
    x = 20,012,710.29

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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.