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Finding the Third Proportional to 627,215 and 955,574

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Solution

The third proportional to 627,215 and 955,574 is: 1,455,835.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,215 : 955,574 = 955,574 : x
  2. Step 2: Convert to fraction form
    627,215/955,574 = 955,574/x
  3. Step 3: Cross multiply
    627,215x = 955,574 × 955,574
  4. Step 4: Simplify right side
    627,215x = 913,121,669,476
  5. Step 5: Solve for x
    x = 913,121,669,476/627,215
  6. Step 6: Final answer
    x = 1,455,835.19

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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.