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Finding the Third Proportional to 3,605,005 and 7,721,750

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Solution

The third proportional to 3,605,005 and 7,721,750 is: 16,539,622.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605,005 : 7,721,750 = 7,721,750 : x
  2. Step 2: Convert to fraction form
    3,605,005/7,721,750 = 7,721,750/x
  3. Step 3: Cross multiply
    3,605,005x = 7,721,750 × 7,721,750
  4. Step 4: Simplify right side
    3,605,005x = 59,625,423,062,500
  5. Step 5: Solve for x
    x = 59,625,423,062,500/3,605,005
  6. Step 6: Final answer
    x = 16,539,622.85

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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.