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Finding the Third Proportional to 61,464 and 133,368

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Solution

The third proportional to 61,464 and 133,368 is: 289,389.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,464 : 133,368 = 133,368 : x
  2. Step 2: Convert to fraction form
    61,464/133,368 = 133,368/x
  3. Step 3: Cross multiply
    61,464x = 133,368 × 133,368
  4. Step 4: Simplify right side
    61,464x = 17,787,023,424
  5. Step 5: Solve for x
    x = 17,787,023,424/61,464
  6. Step 6: Final answer
    x = 289,389.29

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.