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Finding the Third Proportional to 124,488 and 193,080

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Solution

The third proportional to 124,488 and 193,080 is: 299,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,488 : 193,080 = 193,080 : x
  2. Step 2: Convert to fraction form
    124,488/193,080 = 193,080/x
  3. Step 3: Cross multiply
    124,488x = 193,080 × 193,080
  4. Step 4: Simplify right side
    124,488x = 37,279,886,400
  5. Step 5: Solve for x
    x = 37,279,886,400/124,488
  6. Step 6: Final answer
    x = 299,465.70

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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.