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Finding the Third Proportional to 67,424 and 97,118

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Solution

The third proportional to 67,424 and 97,118 is: 139,889.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,424 : 97,118 = 97,118 : x
  2. Step 2: Convert to fraction form
    67,424/97,118 = 97,118/x
  3. Step 3: Cross multiply
    67,424x = 97,118 × 97,118
  4. Step 4: Simplify right side
    67,424x = 9,431,905,924
  5. Step 5: Solve for x
    x = 9,431,905,924/67,424
  6. Step 6: Final answer
    x = 139,889.44

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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.