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Finding the Third Proportional to 319,387.50 and 703,581.75

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Solution

The third proportional to 319,387.50 and 703,581.75 is: 1,549,926.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,387.50 : 703,581.75 = 703,581.75 : x
  2. Step 2: Convert to fraction form
    319,387.50/703,581.75 = 703,581.75/x
  3. Step 3: Cross multiply
    319,387.50x = 703,581.75 × 703,581.75
  4. Step 4: Simplify right side
    319,387.50x = 495,027,278,933.06
  5. Step 5: Solve for x
    x = 495,027,278,933.06/319,387.50
  6. Step 6: Final answer
    x = 1,549,926.90

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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.