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Finding the Third Proportional to 45,248 and 99,357

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Solution

The third proportional to 45,248 and 99,357 is: 218,171.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,248 : 99,357 = 99,357 : x
  2. Step 2: Convert to fraction form
    45,248/99,357 = 99,357/x
  3. Step 3: Cross multiply
    45,248x = 99,357 × 99,357
  4. Step 4: Simplify right side
    45,248x = 9,871,813,449
  5. Step 5: Solve for x
    x = 9,871,813,449/45,248
  6. Step 6: Final answer
    x = 218,171.27

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.