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Finding the Third Proportional to 77,935.50 and 168,311.25

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Solution

The third proportional to 77,935.50 and 168,311.25 is: 363,488.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,935.50 : 168,311.25 = 168,311.25 : x
  2. Step 2: Convert to fraction form
    77,935.50/168,311.25 = 168,311.25/x
  3. Step 3: Cross multiply
    77,935.50x = 168,311.25 × 168,311.25
  4. Step 4: Simplify right side
    77,935.50x = 28,328,676,876.56
  5. Step 5: Solve for x
    x = 28,328,676,876.56/77,935.50
  6. Step 6: Final answer
    x = 363,488.74

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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.