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Finding the Third Proportional to 55,357 and 119,466

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Solution

The third proportional to 55,357 and 119,466 is: 257,819.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,357 : 119,466 = 119,466 : x
  2. Step 2: Convert to fraction form
    55,357/119,466 = 119,466/x
  3. Step 3: Cross multiply
    55,357x = 119,466 × 119,466
  4. Step 4: Simplify right side
    55,357x = 14,272,125,156
  5. Step 5: Solve for x
    x = 14,272,125,156/55,357
  6. Step 6: Final answer
    x = 257,819.70

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.