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Finding the Third Proportional to 207,324 and 435,536

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Solution

The third proportional to 207,324 and 435,536 is: 914,952.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,324 : 435,536 = 435,536 : x
  2. Step 2: Convert to fraction form
    207,324/435,536 = 435,536/x
  3. Step 3: Cross multiply
    207,324x = 435,536 × 435,536
  4. Step 4: Simplify right side
    207,324x = 189,691,607,296
  5. Step 5: Solve for x
    x = 189,691,607,296/207,324
  6. Step 6: Final answer
    x = 914,952.48

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.