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Finding the Third Proportional to 1,307,250 and 1,998,489

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Solution

The third proportional to 1,307,250 and 1,998,489 is: 3,055,236.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,250 : 1,998,489 = 1,998,489 : x
  2. Step 2: Convert to fraction form
    1,307,250/1,998,489 = 1,998,489/x
  3. Step 3: Cross multiply
    1,307,250x = 1,998,489 × 1,998,489
  4. Step 4: Simplify right side
    1,307,250x = 3,993,958,283,121
  5. Step 5: Solve for x
    x = 3,993,958,283,121/1,307,250
  6. Step 6: Final answer
    x = 3,055,236.78

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.