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Finding the Third Proportional to 239,272.88 and 525,717

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Solution

The third proportional to 239,272.88 and 525,717 is: 1,155,076.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,272.88 : 525,717 = 525,717 : x
  2. Step 2: Convert to fraction form
    239,272.88/525,717 = 525,717/x
  3. Step 3: Cross multiply
    239,272.88x = 525,717 × 525,717
  4. Step 4: Simplify right side
    239,272.88x = 276,378,364,089
  5. Step 5: Solve for x
    x = 276,378,364,089/239,272.88
  6. Step 6: Final answer
    x = 1,155,076.04

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.