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Finding the Third Proportional to 66,924 and 124,272

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Solution

The third proportional to 66,924 and 124,272 is: 230,762.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,924 : 124,272 = 124,272 : x
  2. Step 2: Convert to fraction form
    66,924/124,272 = 124,272/x
  3. Step 3: Cross multiply
    66,924x = 124,272 × 124,272
  4. Step 4: Simplify right side
    66,924x = 15,443,529,984
  5. Step 5: Solve for x
    x = 15,443,529,984/66,924
  6. Step 6: Final answer
    x = 230,762.21

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.