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Finding the Third Proportional to 29,172 and 43,142

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Solution

The third proportional to 29,172 and 43,142 is: 63,802.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,172 : 43,142 = 43,142 : x
  2. Step 2: Convert to fraction form
    29,172/43,142 = 43,142/x
  3. Step 3: Cross multiply
    29,172x = 43,142 × 43,142
  4. Step 4: Simplify right side
    29,172x = 1,861,232,164
  5. Step 5: Solve for x
    x = 1,861,232,164/29,172
  6. Step 6: Final answer
    x = 63,802.01

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.