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Finding the Third Proportional to 160,863.75 and 317,686.50

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Solution

The third proportional to 160,863.75 and 317,686.50 is: 627,392.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,863.75 : 317,686.50 = 317,686.50 : x
  2. Step 2: Convert to fraction form
    160,863.75/317,686.50 = 317,686.50/x
  3. Step 3: Cross multiply
    160,863.75x = 317,686.50 × 317,686.50
  4. Step 4: Simplify right side
    160,863.75x = 100,924,712,282.25
  5. Step 5: Solve for x
    x = 100,924,712,282.25/160,863.75
  6. Step 6: Final answer
    x = 627,392.51

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.