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Finding the Third Proportional to 160,987 and 349,651

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Solution

The third proportional to 160,987 and 349,651 is: 759,414.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,987 : 349,651 = 349,651 : x
  2. Step 2: Convert to fraction form
    160,987/349,651 = 349,651/x
  3. Step 3: Cross multiply
    160,987x = 349,651 × 349,651
  4. Step 4: Simplify right side
    160,987x = 122,255,821,801
  5. Step 5: Solve for x
    x = 122,255,821,801/160,987
  6. Step 6: Final answer
    x = 759,414.25

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.