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Finding the Third Proportional to 329,787 and 495,501.75

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Solution

The third proportional to 329,787 and 495,501.75 is: 744,486.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,787 : 495,501.75 = 495,501.75 : x
  2. Step 2: Convert to fraction form
    329,787/495,501.75 = 495,501.75/x
  3. Step 3: Cross multiply
    329,787x = 495,501.75 × 495,501.75
  4. Step 4: Simplify right side
    329,787x = 245,521,984,253.06
  5. Step 5: Solve for x
    x = 245,521,984,253.06/329,787
  6. Step 6: Final answer
    x = 744,486.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.