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Finding the Third Proportional to 435,366 and 655,614

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Solution

The third proportional to 435,366 and 655,614 is: 987,283.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,366 : 655,614 = 655,614 : x
  2. Step 2: Convert to fraction form
    435,366/655,614 = 655,614/x
  3. Step 3: Cross multiply
    435,366x = 655,614 × 655,614
  4. Step 4: Simplify right side
    435,366x = 429,829,716,996
  5. Step 5: Solve for x
    x = 429,829,716,996/435,366
  6. Step 6: Final answer
    x = 987,283.61

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.