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Finding the Third Proportional to 61,452 and 91,752

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Solution

The third proportional to 61,452 and 91,752 is: 136,991.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,452 : 91,752 = 91,752 : x
  2. Step 2: Convert to fraction form
    61,452/91,752 = 91,752/x
  3. Step 3: Cross multiply
    61,452x = 91,752 × 91,752
  4. Step 4: Simplify right side
    61,452x = 8,418,429,504
  5. Step 5: Solve for x
    x = 8,418,429,504/61,452
  6. Step 6: Final answer
    x = 136,991.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.