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Finding the Third Proportional to 3,315,648 and 7,230,720

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Solution

The third proportional to 3,315,648 and 7,230,720 is: 15,768,655.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,648 : 7,230,720 = 7,230,720 : x
  2. Step 2: Convert to fraction form
    3,315,648/7,230,720 = 7,230,720/x
  3. Step 3: Cross multiply
    3,315,648x = 7,230,720 × 7,230,720
  4. Step 4: Simplify right side
    3,315,648x = 52,283,311,718,400
  5. Step 5: Solve for x
    x = 52,283,311,718,400/3,315,648
  6. Step 6: Final answer
    x = 15,768,655.70

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.