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Finding the Third Proportional to 58,680 and 79,726

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Solution

The third proportional to 58,680 and 79,726 is: 108,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,680 : 79,726 = 79,726 : x
  2. Step 2: Convert to fraction form
    58,680/79,726 = 79,726/x
  3. Step 3: Cross multiply
    58,680x = 79,726 × 79,726
  4. Step 4: Simplify right side
    58,680x = 6,356,235,076
  5. Step 5: Solve for x
    x = 6,356,235,076/58,680
  6. Step 6: Final answer
    x = 108,320.30

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.