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Finding the Third Proportional to 109,209 and 164,583

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Solution

The third proportional to 109,209 and 164,583 is: 248,034.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,209 : 164,583 = 164,583 : x
  2. Step 2: Convert to fraction form
    109,209/164,583 = 164,583/x
  3. Step 3: Cross multiply
    109,209x = 164,583 × 164,583
  4. Step 4: Simplify right side
    109,209x = 27,087,563,889
  5. Step 5: Solve for x
    x = 27,087,563,889/109,209
  6. Step 6: Final answer
    x = 248,034.17

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.