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Finding the Third Proportional to 5,234,845.88 and 7,857,808.50

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Solution

The third proportional to 5,234,845.88 and 7,857,808.50 is: 11,795,028.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234,845.88 : 7,857,808.50 = 7,857,808.50 : x
  2. Step 2: Convert to fraction form
    5,234,845.88/7,857,808.50 = 7,857,808.50/x
  3. Step 3: Cross multiply
    5,234,845.88x = 7,857,808.50 × 7,857,808.50
  4. Step 4: Simplify right side
    5,234,845.88x = 61,745,154,422,672.25
  5. Step 5: Solve for x
    x = 61,745,154,422,672.25/5,234,845.88
  6. Step 6: Final answer
    x = 11,795,028.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.