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Finding the Third Proportional to 661,200.75 and 982,080

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Solution

The third proportional to 661,200.75 and 982,080 is: 1,458,681.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,200.75 : 982,080 = 982,080 : x
  2. Step 2: Convert to fraction form
    661,200.75/982,080 = 982,080/x
  3. Step 3: Cross multiply
    661,200.75x = 982,080 × 982,080
  4. Step 4: Simplify right side
    661,200.75x = 964,481,126,400
  5. Step 5: Solve for x
    x = 964,481,126,400/661,200.75
  6. Step 6: Final answer
    x = 1,458,681.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.