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Finding the Third Proportional to 124,520 and 193,128

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Solution

The third proportional to 124,520 and 193,128 is: 299,537.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,520 : 193,128 = 193,128 : x
  2. Step 2: Convert to fraction form
    124,520/193,128 = 193,128/x
  3. Step 3: Cross multiply
    124,520x = 193,128 × 193,128
  4. Step 4: Simplify right side
    124,520x = 37,298,424,384
  5. Step 5: Solve for x
    x = 37,298,424,384/124,520
  6. Step 6: Final answer
    x = 299,537.62

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.