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Finding the Third Proportional to 31,160 and 54,273

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Solution

The third proportional to 31,160 and 54,273 is: 94,530.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,160 : 54,273 = 54,273 : x
  2. Step 2: Convert to fraction form
    31,160/54,273 = 54,273/x
  3. Step 3: Cross multiply
    31,160x = 54,273 × 54,273
  4. Step 4: Simplify right side
    31,160x = 2,945,558,529
  5. Step 5: Solve for x
    x = 2,945,558,529/31,160
  6. Step 6: Final answer
    x = 94,530.12

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Why These Related Problems?

These problems maintain the same ratio (1.74) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.