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Finding the Third Proportional to 6,885,450 and 15,129,738

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Solution

The third proportional to 6,885,450 and 15,129,738 is: 33,245,317.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,885,450 : 15,129,738 = 15,129,738 : x
  2. Step 2: Convert to fraction form
    6,885,450/15,129,738 = 15,129,738/x
  3. Step 3: Cross multiply
    6,885,450x = 15,129,738 × 15,129,738
  4. Step 4: Simplify right side
    6,885,450x = 228,908,971,948,644
  5. Step 5: Solve for x
    x = 228,908,971,948,644/6,885,450
  6. Step 6: Final answer
    x = 33,245,317.58

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.