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Finding the Third Proportional to 151,350.19 and 318,385.69

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Solution

The third proportional to 151,350.19 and 318,385.69 is: 669,767.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,350.19 : 318,385.69 = 318,385.69 : x
  2. Step 2: Convert to fraction form
    151,350.19/318,385.69 = 318,385.69/x
  3. Step 3: Cross multiply
    151,350.19x = 318,385.69 × 318,385.69
  4. Step 4: Simplify right side
    151,350.19x = 101,369,446,004.85
  5. Step 5: Solve for x
    x = 101,369,446,004.85/151,350.19
  6. Step 6: Final answer
    x = 669,767.56

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.