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Finding the Third Proportional to 115,888.50 and 268,281

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Solution

The third proportional to 115,888.50 and 268,281 is: 621,068.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,888.50 : 268,281 = 268,281 : x
  2. Step 2: Convert to fraction form
    115,888.50/268,281 = 268,281/x
  3. Step 3: Cross multiply
    115,888.50x = 268,281 × 268,281
  4. Step 4: Simplify right side
    115,888.50x = 71,974,694,961
  5. Step 5: Solve for x
    x = 71,974,694,961/115,888.50
  6. Step 6: Final answer
    x = 621,068.48

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.