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Finding the Third Proportional to 124,488 and 163,404

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Solution

The third proportional to 124,488 and 163,404 is: 214,485.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,488 : 163,404 = 163,404 : x
  2. Step 2: Convert to fraction form
    124,488/163,404 = 163,404/x
  3. Step 3: Cross multiply
    124,488x = 163,404 × 163,404
  4. Step 4: Simplify right side
    124,488x = 26,700,867,216
  5. Step 5: Solve for x
    x = 26,700,867,216/124,488
  6. Step 6: Final answer
    x = 214,485.47

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.