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Finding the Third Proportional to 29,322 and 63,180

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Solution

The third proportional to 29,322 and 63,180 is: 136,133.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,322 : 63,180 = 63,180 : x
  2. Step 2: Convert to fraction form
    29,322/63,180 = 63,180/x
  3. Step 3: Cross multiply
    29,322x = 63,180 × 63,180
  4. Step 4: Simplify right side
    29,322x = 3,991,712,400
  5. Step 5: Solve for x
    x = 3,991,712,400/29,322
  6. Step 6: Final answer
    x = 136,133.70

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.