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Finding the Third Proportional to 207,420.75 and 452,385

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Solution

The third proportional to 207,420.75 and 452,385 is: 986,652.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,420.75 : 452,385 = 452,385 : x
  2. Step 2: Convert to fraction form
    207,420.75/452,385 = 452,385/x
  3. Step 3: Cross multiply
    207,420.75x = 452,385 × 452,385
  4. Step 4: Simplify right side
    207,420.75x = 204,652,188,225
  5. Step 5: Solve for x
    x = 204,652,188,225/207,420.75
  6. Step 6: Final answer
    x = 986,652.44

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.