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Finding the Third Proportional to 67,856 and 97,752

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Solution

The third proportional to 67,856 and 97,752 is: 140,819.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,856 : 97,752 = 97,752 : x
  2. Step 2: Convert to fraction form
    67,856/97,752 = 97,752/x
  3. Step 3: Cross multiply
    67,856x = 97,752 × 97,752
  4. Step 4: Simplify right side
    67,856x = 9,555,453,504
  5. Step 5: Solve for x
    x = 9,555,453,504/67,856
  6. Step 6: Final answer
    x = 140,819.58

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.