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Finding the Third Proportional to 12,500,766 and 18,784,434

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Solution

The third proportional to 12,500,766 and 18,784,434 is: 28,226,667.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500,766 : 18,784,434 = 18,784,434 : x
  2. Step 2: Convert to fraction form
    12,500,766/18,784,434 = 18,784,434/x
  3. Step 3: Cross multiply
    12,500,766x = 18,784,434 × 18,784,434
  4. Step 4: Simplify right side
    12,500,766x = 352,854,960,700,356
  5. Step 5: Solve for x
    x = 352,854,960,700,356/12,500,766
  6. Step 6: Final answer
    x = 28,226,667.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.