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Finding the Third Proportional to 122,779.55 and 173,302.66

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Solution

The third proportional to 122,779.55 and 173,302.66 is: 244,615.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,779.55 : 173,302.66 = 173,302.66 : x
  2. Step 2: Convert to fraction form
    122,779.55/173,302.66 = 173,302.66/x
  3. Step 3: Cross multiply
    122,779.55x = 173,302.66 × 173,302.66
  4. Step 4: Simplify right side
    122,779.55x = 30,033,813,371.16
  5. Step 5: Solve for x
    x = 30,033,813,371.16/122,779.55
  6. Step 6: Final answer
    x = 244,615.77

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.