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Finding the Third Proportional to 43,392 and 66,368

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Solution

The third proportional to 43,392 and 66,368 is: 101,509.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,392 : 66,368 = 66,368 : x
  2. Step 2: Convert to fraction form
    43,392/66,368 = 66,368/x
  3. Step 3: Cross multiply
    43,392x = 66,368 × 66,368
  4. Step 4: Simplify right side
    43,392x = 4,404,711,424
  5. Step 5: Solve for x
    x = 4,404,711,424/43,392
  6. Step 6: Final answer
    x = 101,509.76

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.