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Finding the Third Proportional to 4,044,957.75 and 8,665,639.88

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Solution

The third proportional to 4,044,957.75 and 8,665,639.88 is: 18,564,672.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,044,957.75 : 8,665,639.88 = 8,665,639.88 : x
  2. Step 2: Convert to fraction form
    4,044,957.75/8,665,639.88 = 8,665,639.88/x
  3. Step 3: Cross multiply
    4,044,957.75x = 8,665,639.88 × 8,665,639.88
  4. Step 4: Simplify right side
    4,044,957.75x = 75,093,314,443,190.02
  5. Step 5: Solve for x
    x = 75,093,314,443,190.02/4,044,957.75
  6. Step 6: Final answer
    x = 18,564,672.14

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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.