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Finding the Third Proportional to 140,449.50 and 307,176.75

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Solution

The third proportional to 140,449.50 and 307,176.75 is: 671,825.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,449.50 : 307,176.75 = 307,176.75 : x
  2. Step 2: Convert to fraction form
    140,449.50/307,176.75 = 307,176.75/x
  3. Step 3: Cross multiply
    140,449.50x = 307,176.75 × 307,176.75
  4. Step 4: Simplify right side
    140,449.50x = 94,357,555,740.56
  5. Step 5: Solve for x
    x = 94,357,555,740.56/140,449.50
  6. Step 6: Final answer
    x = 671,825.50

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.