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Finding the Third Proportional to 207,300 and 447,680

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Solution

The third proportional to 207,300 and 447,680 is: 966,798.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,300 : 447,680 = 447,680 : x
  2. Step 2: Convert to fraction form
    207,300/447,680 = 447,680/x
  3. Step 3: Cross multiply
    207,300x = 447,680 × 447,680
  4. Step 4: Simplify right side
    207,300x = 200,417,382,400
  5. Step 5: Solve for x
    x = 200,417,382,400/207,300
  6. Step 6: Final answer
    x = 966,798.76

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.