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Finding the Third Proportional to 8,191,775.53 and 17,660,245.78

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Solution

The third proportional to 8,191,775.53 and 17,660,245.78 is: 38,072,854.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191,775.53 : 17,660,245.78 = 17,660,245.78 : x
  2. Step 2: Convert to fraction form
    8,191,775.53/17,660,245.78 = 17,660,245.78/x
  3. Step 3: Cross multiply
    8,191,775.53x = 17,660,245.78 × 17,660,245.78
  4. Step 4: Simplify right side
    8,191,775.53x = 311,884,281,054,158.44
  5. Step 5: Solve for x
    x = 311,884,281,054,158.44/8,191,775.53
  6. Step 6: Final answer
    x = 38,072,854.89

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.