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Finding the Third Proportional to 7,420,828 and 11,351,932

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Solution

The third proportional to 7,420,828 and 11,351,932 is: 17,365,496.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420,828 : 11,351,932 = 11,351,932 : x
  2. Step 2: Convert to fraction form
    7,420,828/11,351,932 = 11,351,932/x
  3. Step 3: Cross multiply
    7,420,828x = 11,351,932 × 11,351,932
  4. Step 4: Simplify right side
    7,420,828x = 128,866,360,132,624
  5. Step 5: Solve for x
    x = 128,866,360,132,624/7,420,828
  6. Step 6: Final answer
    x = 17,365,496.16

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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.