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Finding the Third Proportional to 627,220 and 955,566

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Solution

The third proportional to 627,220 and 955,566 is: 1,455,799.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,220 : 955,566 = 955,566 : x
  2. Step 2: Convert to fraction form
    627,220/955,566 = 955,566/x
  3. Step 3: Cross multiply
    627,220x = 955,566 × 955,566
  4. Step 4: Simplify right side
    627,220x = 913,106,380,356
  5. Step 5: Solve for x
    x = 913,106,380,356/627,220
  6. Step 6: Final answer
    x = 1,455,799.21

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.