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Finding the Third Proportional to 84,774 and 112,495

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Solution

The third proportional to 84,774 and 112,495 is: 149,280.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,774 : 112,495 = 112,495 : x
  2. Step 2: Convert to fraction form
    84,774/112,495 = 112,495/x
  3. Step 3: Cross multiply
    84,774x = 112,495 × 112,495
  4. Step 4: Simplify right side
    84,774x = 12,655,125,025
  5. Step 5: Solve for x
    x = 12,655,125,025/84,774
  6. Step 6: Final answer
    x = 149,280.73

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.