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Finding the Third Proportional to 43,051 and 66,497

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Solution

The third proportional to 43,051 and 66,497 is: 102,711.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,051 : 66,497 = 66,497 : x
  2. Step 2: Convert to fraction form
    43,051/66,497 = 66,497/x
  3. Step 3: Cross multiply
    43,051x = 66,497 × 66,497
  4. Step 4: Simplify right side
    43,051x = 4,421,851,009
  5. Step 5: Solve for x
    x = 4,421,851,009/43,051
  6. Step 6: Final answer
    x = 102,711.92

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.