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Finding the Third Proportional to 165,493.50 and 357,225

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Solution

The third proportional to 165,493.50 and 357,225 is: 771,085.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,493.50 : 357,225 = 357,225 : x
  2. Step 2: Convert to fraction form
    165,493.50/357,225 = 357,225/x
  3. Step 3: Cross multiply
    165,493.50x = 357,225 × 357,225
  4. Step 4: Simplify right side
    165,493.50x = 127,609,700,625
  5. Step 5: Solve for x
    x = 127,609,700,625/165,493.50
  6. Step 6: Final answer
    x = 771,085.88

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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.