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Finding the Third Proportional to 45,416 and 66,396

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Solution

The third proportional to 45,416 and 66,396 is: 97,067.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,416 : 66,396 = 66,396 : x
  2. Step 2: Convert to fraction form
    45,416/66,396 = 66,396/x
  3. Step 3: Cross multiply
    45,416x = 66,396 × 66,396
  4. Step 4: Simplify right side
    45,416x = 4,408,428,816
  5. Step 5: Solve for x
    x = 4,408,428,816/45,416
  6. Step 6: Final answer
    x = 97,067.75

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.