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Finding the Third Proportional to 61,416 and 134,289

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Solution

The third proportional to 61,416 and 134,289 is: 293,629.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,416 : 134,289 = 134,289 : x
  2. Step 2: Convert to fraction form
    61,416/134,289 = 134,289/x
  3. Step 3: Cross multiply
    61,416x = 134,289 × 134,289
  4. Step 4: Simplify right side
    61,416x = 18,033,535,521
  5. Step 5: Solve for x
    x = 18,033,535,521/61,416
  6. Step 6: Final answer
    x = 293,629.27

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.