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Finding the Third Proportional to 8,508,639 and 18,213,297

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Solution

The third proportional to 8,508,639 and 18,213,297 is: 38,986,750.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508,639 : 18,213,297 = 18,213,297 : x
  2. Step 2: Convert to fraction form
    8,508,639/18,213,297 = 18,213,297/x
  3. Step 3: Cross multiply
    8,508,639x = 18,213,297 × 18,213,297
  4. Step 4: Simplify right side
    8,508,639x = 331,724,187,610,209
  5. Step 5: Solve for x
    x = 331,724,187,610,209/8,508,639
  6. Step 6: Final answer
    x = 38,986,750.71

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.