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Finding the Third Proportional to 127,486.88 and 187,519.50

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Solution

The third proportional to 127,486.88 and 187,519.50 is: 275,821.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,486.88 : 187,519.50 = 187,519.50 : x
  2. Step 2: Convert to fraction form
    127,486.88/187,519.50 = 187,519.50/x
  3. Step 3: Cross multiply
    127,486.88x = 187,519.50 × 187,519.50
  4. Step 4: Simplify right side
    127,486.88x = 35,163,562,880.25
  5. Step 5: Solve for x
    x = 35,163,562,880.25/127,486.88
  6. Step 6: Final answer
    x = 275,821.04

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.