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Finding the Third Proportional to 68,466 and 102,429

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Solution

The third proportional to 68,466 and 102,429 is: 153,239.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,466 : 102,429 = 102,429 : x
  2. Step 2: Convert to fraction form
    68,466/102,429 = 102,429/x
  3. Step 3: Cross multiply
    68,466x = 102,429 × 102,429
  4. Step 4: Simplify right side
    68,466x = 10,491,700,041
  5. Step 5: Solve for x
    x = 10,491,700,041/68,466
  6. Step 6: Final answer
    x = 153,239.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.