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Finding the Third Proportional to 109,320 and 163,982

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Solution

The third proportional to 109,320 and 163,982 is: 245,976.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,320 : 163,982 = 163,982 : x
  2. Step 2: Convert to fraction form
    109,320/163,982 = 163,982/x
  3. Step 3: Cross multiply
    109,320x = 163,982 × 163,982
  4. Step 4: Simplify right side
    109,320x = 26,890,096,324
  5. Step 5: Solve for x
    x = 26,890,096,324/109,320
  6. Step 6: Final answer
    x = 245,976.00

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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.