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Finding the Third Proportional to 66,202 and 144,076

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Solution

The third proportional to 66,202 and 144,076 is: 313,553.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,202 : 144,076 = 144,076 : x
  2. Step 2: Convert to fraction form
    66,202/144,076 = 144,076/x
  3. Step 3: Cross multiply
    66,202x = 144,076 × 144,076
  4. Step 4: Simplify right side
    66,202x = 20,757,893,776
  5. Step 5: Solve for x
    x = 20,757,893,776/66,202
  6. Step 6: Final answer
    x = 313,553.88

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.