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Finding the Third Proportional to 131,402.25 and 211,693.50

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Solution

The third proportional to 131,402.25 and 211,693.50 is: 341,045.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,402.25 : 211,693.50 = 211,693.50 : x
  2. Step 2: Convert to fraction form
    131,402.25/211,693.50 = 211,693.50/x
  3. Step 3: Cross multiply
    131,402.25x = 211,693.50 × 211,693.50
  4. Step 4: Simplify right side
    131,402.25x = 44,814,137,942.25
  5. Step 5: Solve for x
    x = 44,814,137,942.25/131,402.25
  6. Step 6: Final answer
    x = 341,045.44

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.