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Finding the Third Proportional to 207,320 and 453,274

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Solution

The third proportional to 207,320 and 453,274 is: 991,015.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,320 : 453,274 = 453,274 : x
  2. Step 2: Convert to fraction form
    207,320/453,274 = 453,274/x
  3. Step 3: Cross multiply
    207,320x = 453,274 × 453,274
  4. Step 4: Simplify right side
    207,320x = 205,457,319,076
  5. Step 5: Solve for x
    x = 205,457,319,076/207,320
  6. Step 6: Final answer
    x = 991,015.43

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.