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Finding the Third Proportional to 29,288 and 64,406

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Solution

The third proportional to 29,288 and 64,406 is: 141,632.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,288 : 64,406 = 64,406 : x
  2. Step 2: Convert to fraction form
    29,288/64,406 = 64,406/x
  3. Step 3: Cross multiply
    29,288x = 64,406 × 64,406
  4. Step 4: Simplify right side
    29,288x = 4,148,132,836
  5. Step 5: Solve for x
    x = 4,148,132,836/29,288
  6. Step 6: Final answer
    x = 141,632.51

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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.