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Finding the Third Proportional to 59,488 and 79,309

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Solution

The third proportional to 59,488 and 79,309 is: 105,734.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,488 : 79,309 = 79,309 : x
  2. Step 2: Convert to fraction form
    59,488/79,309 = 79,309/x
  3. Step 3: Cross multiply
    59,488x = 79,309 × 79,309
  4. Step 4: Simplify right side
    59,488x = 6,289,917,481
  5. Step 5: Solve for x
    x = 6,289,917,481/59,488
  6. Step 6: Final answer
    x = 105,734.22

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.