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Finding the Third Proportional to 18,000,658.50 and 28,595,310.75

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Solution

The third proportional to 18,000,658.50 and 28,595,310.75 is: 45,425,660.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,000,658.50 : 28,595,310.75 = 28,595,310.75 : x
  2. Step 2: Convert to fraction form
    18,000,658.50/28,595,310.75 = 28,595,310.75/x
  3. Step 3: Cross multiply
    18,000,658.50x = 28,595,310.75 × 28,595,310.75
  4. Step 4: Simplify right side
    18,000,658.50x = 817,691,796,889,065.50
  5. Step 5: Solve for x
    x = 817,691,796,889,065.50/18,000,658.50
  6. Step 6: Final answer
    x = 45,425,660.23

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.