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Finding the Third Proportional to 4,564.69 and 8,785.13

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Solution

The third proportional to 4,564.69 and 8,785.13 is: 16,907.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,564.69 : 8,785.13 = 8,785.13 : x
  2. Step 2: Convert to fraction form
    4,564.69/8,785.13 = 8,785.13/x
  3. Step 3: Cross multiply
    4,564.69x = 8,785.13 × 8,785.13
  4. Step 4: Simplify right side
    4,564.69x = 77,178,421.27
  5. Step 5: Solve for x
    x = 77,178,421.27/4,564.69
  6. Step 6: Final answer
    x = 16,907.71

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Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.