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Finding the Third Proportional to 627,216 and 955,560

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Solution

The third proportional to 627,216 and 955,560 is: 1,455,790.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,216 : 955,560 = 955,560 : x
  2. Step 2: Convert to fraction form
    627,216/955,560 = 955,560/x
  3. Step 3: Cross multiply
    627,216x = 955,560 × 955,560
  4. Step 4: Simplify right side
    627,216x = 913,094,913,600
  5. Step 5: Solve for x
    x = 913,094,913,600/627,216
  6. Step 6: Final answer
    x = 1,455,790.21

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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.