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Finding the Third Proportional to 918,634.25 and 1,378,867.25

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Solution

The third proportional to 918,634.25 and 1,378,867.25 is: 2,069,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,634.25 : 1,378,867.25 = 1,378,867.25 : x
  2. Step 2: Convert to fraction form
    918,634.25/1,378,867.25 = 1,378,867.25/x
  3. Step 3: Cross multiply
    918,634.25x = 1,378,867.25 × 1,378,867.25
  4. Step 4: Simplify right side
    918,634.25x = 1,901,274,893,122.56
  5. Step 5: Solve for x
    x = 1,901,274,893,122.56/918,634.25
  6. Step 6: Final answer
    x = 2,069,675.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.