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Finding the Third Proportional to 43,240 and 64,592

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Solution

The third proportional to 43,240 and 64,592 is: 96,487.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,240 : 64,592 = 64,592 : x
  2. Step 2: Convert to fraction form
    43,240/64,592 = 64,592/x
  3. Step 3: Cross multiply
    43,240x = 64,592 × 64,592
  4. Step 4: Simplify right side
    43,240x = 4,172,126,464
  5. Step 5: Solve for x
    x = 4,172,126,464/43,240
  6. Step 6: Final answer
    x = 96,487.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.