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Finding the Third Proportional to 161,595 and 217,378.69

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Solution

The third proportional to 161,595 and 217,378.69 is: 292,419.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,595 : 217,378.69 = 217,378.69 : x
  2. Step 2: Convert to fraction form
    161,595/217,378.69 = 217,378.69/x
  3. Step 3: Cross multiply
    161,595x = 217,378.69 × 217,378.69
  4. Step 4: Simplify right side
    161,595x = 47,253,493,779.22
  5. Step 5: Solve for x
    x = 47,253,493,779.22/161,595
  6. Step 6: Final answer
    x = 292,419.28

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.