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Finding the Third Proportional to 1,330,408 and 1,993,559

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Solution

The third proportional to 1,330,408 and 1,993,559 is: 2,987,262.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,408 : 1,993,559 = 1,993,559 : x
  2. Step 2: Convert to fraction form
    1,330,408/1,993,559 = 1,993,559/x
  3. Step 3: Cross multiply
    1,330,408x = 1,993,559 × 1,993,559
  4. Step 4: Simplify right side
    1,330,408x = 3,974,277,486,481
  5. Step 5: Solve for x
    x = 3,974,277,486,481/1,330,408
  6. Step 6: Final answer
    x = 2,987,262.17

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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.