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Finding the Third Proportional to 3,888,627.75 and 8,521,129.13

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Solution

The third proportional to 3,888,627.75 and 8,521,129.13 is: 18,672,304.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888,627.75 : 8,521,129.13 = 8,521,129.13 : x
  2. Step 2: Convert to fraction form
    3,888,627.75/8,521,129.13 = 8,521,129.13/x
  3. Step 3: Cross multiply
    3,888,627.75x = 8,521,129.13 × 8,521,129.13
  4. Step 4: Simplify right side
    3,888,627.75x = 72,609,641,564,923.27
  5. Step 5: Solve for x
    x = 72,609,641,564,923.27/3,888,627.75
  6. Step 6: Final answer
    x = 18,672,304.53

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.