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Finding the Third Proportional to 34,868 and 75,460

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Solution

The third proportional to 34,868 and 75,460 is: 163,307.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,868 : 75,460 = 75,460 : x
  2. Step 2: Convert to fraction form
    34,868/75,460 = 75,460/x
  3. Step 3: Cross multiply
    34,868x = 75,460 × 75,460
  4. Step 4: Simplify right side
    34,868x = 5,694,211,600
  5. Step 5: Solve for x
    x = 5,694,211,600/34,868
  6. Step 6: Final answer
    x = 163,307.66

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.