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Finding the Third Proportional to 18,291,170 and 39,011,620

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Solution

The third proportional to 18,291,170 and 39,011,620 is: 83,204,436.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291,170 : 39,011,620 = 39,011,620 : x
  2. Step 2: Convert to fraction form
    18,291,170/39,011,620 = 39,011,620/x
  3. Step 3: Cross multiply
    18,291,170x = 39,011,620 × 39,011,620
  4. Step 4: Simplify right side
    18,291,170x = 1,521,906,495,024,400
  5. Step 5: Solve for x
    x = 1,521,906,495,024,400/18,291,170
  6. Step 6: Final answer
    x = 83,204,436.62

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.