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Finding the Third Proportional to 4,915,865.32 and 7,694,671.89

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Solution

The third proportional to 4,915,865.32 and 7,694,671.89 is: 12,044,263.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915,865.32 : 7,694,671.89 = 7,694,671.89 : x
  2. Step 2: Convert to fraction form
    4,915,865.32/7,694,671.89 = 7,694,671.89/x
  3. Step 3: Cross multiply
    4,915,865.32x = 7,694,671.89 × 7,694,671.89
  4. Step 4: Simplify right side
    4,915,865.32x = 59,207,975,444,263.73
  5. Step 5: Solve for x
    x = 59,207,975,444,263.73/4,915,865.32
  6. Step 6: Final answer
    x = 12,044,263.13

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.