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Finding the Third Proportional to 117,376 and 253,460

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Solution

The third proportional to 117,376 and 253,460 is: 547,317.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,376 : 253,460 = 253,460 : x
  2. Step 2: Convert to fraction form
    117,376/253,460 = 253,460/x
  3. Step 3: Cross multiply
    117,376x = 253,460 × 253,460
  4. Step 4: Simplify right side
    117,376x = 64,241,971,600
  5. Step 5: Solve for x
    x = 64,241,971,600/117,376
  6. Step 6: Final answer
    x = 547,317.78

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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.