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Finding the Third Proportional to 29,964 and 66,581

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Solution

The third proportional to 29,964 and 66,581 is: 147,945.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,964 : 66,581 = 66,581 : x
  2. Step 2: Convert to fraction form
    29,964/66,581 = 66,581/x
  3. Step 3: Cross multiply
    29,964x = 66,581 × 66,581
  4. Step 4: Simplify right side
    29,964x = 4,433,029,561
  5. Step 5: Solve for x
    x = 4,433,029,561/29,964
  6. Step 6: Final answer
    x = 147,945.19

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.