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Finding the Third Proportional to 12,618,515 and 27,390,604

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Solution

The third proportional to 12,618,515 and 27,390,604 is: 59,455,901.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,618,515 : 27,390,604 = 27,390,604 : x
  2. Step 2: Convert to fraction form
    12,618,515/27,390,604 = 27,390,604/x
  3. Step 3: Cross multiply
    12,618,515x = 27,390,604 × 27,390,604
  4. Step 4: Simplify right side
    12,618,515x = 750,245,187,484,816
  5. Step 5: Solve for x
    x = 750,245,187,484,816/12,618,515
  6. Step 6: Final answer
    x = 59,455,901.70

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.