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Finding the Third Proportional to 163,588 and 231,982

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Solution

The third proportional to 163,588 and 231,982 is: 328,970.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,588 : 231,982 = 231,982 : x
  2. Step 2: Convert to fraction form
    163,588/231,982 = 231,982/x
  3. Step 3: Cross multiply
    163,588x = 231,982 × 231,982
  4. Step 4: Simplify right side
    163,588x = 53,815,648,324
  5. Step 5: Solve for x
    x = 53,815,648,324/163,588
  6. Step 6: Final answer
    x = 328,970.64

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.