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Finding the Third Proportional to 53,604 and 80,952

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Solution

The third proportional to 53,604 and 80,952 is: 122,252.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,604 : 80,952 = 80,952 : x
  2. Step 2: Convert to fraction form
    53,604/80,952 = 80,952/x
  3. Step 3: Cross multiply
    53,604x = 80,952 × 80,952
  4. Step 4: Simplify right side
    53,604x = 6,553,226,304
  5. Step 5: Solve for x
    x = 6,553,226,304/53,604
  6. Step 6: Final answer
    x = 122,252.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.