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Finding the Third Proportional to 8,620,294 and 18,411,715

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Solution

The third proportional to 8,620,294 and 18,411,715 is: 39,324,789.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,620,294 : 18,411,715 = 18,411,715 : x
  2. Step 2: Convert to fraction form
    8,620,294/18,411,715 = 18,411,715/x
  3. Step 3: Cross multiply
    8,620,294x = 18,411,715 × 18,411,715
  4. Step 4: Simplify right side
    8,620,294x = 338,991,249,241,225
  5. Step 5: Solve for x
    x = 338,991,249,241,225/8,620,294
  6. Step 6: Final answer
    x = 39,324,789.76

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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.