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Finding the Third Proportional to 140,988 and 207,582

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Solution

The third proportional to 140,988 and 207,582 is: 305,630.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,988 : 207,582 = 207,582 : x
  2. Step 2: Convert to fraction form
    140,988/207,582 = 207,582/x
  3. Step 3: Cross multiply
    140,988x = 207,582 × 207,582
  4. Step 4: Simplify right side
    140,988x = 43,090,286,724
  5. Step 5: Solve for x
    x = 43,090,286,724/140,988
  6. Step 6: Final answer
    x = 305,630.88

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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.