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Finding the Third Proportional to 30,060 and 66,264

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Solution

The third proportional to 30,060 and 66,264 is: 146,071.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,060 : 66,264 = 66,264 : x
  2. Step 2: Convert to fraction form
    30,060/66,264 = 66,264/x
  3. Step 3: Cross multiply
    30,060x = 66,264 × 66,264
  4. Step 4: Simplify right side
    30,060x = 4,390,917,696
  5. Step 5: Solve for x
    x = 4,390,917,696/30,060
  6. Step 6: Final answer
    x = 146,071.78

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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.