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Finding the Third Proportional to 7,099,736 and 15,550,911

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Solution

The third proportional to 7,099,736 and 15,550,911 is: 34,061,947.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099,736 : 15,550,911 = 15,550,911 : x
  2. Step 2: Convert to fraction form
    7,099,736/15,550,911 = 15,550,911/x
  3. Step 3: Cross multiply
    7,099,736x = 15,550,911 × 15,550,911
  4. Step 4: Simplify right side
    7,099,736x = 241,830,832,929,921
  5. Step 5: Solve for x
    x = 241,830,832,929,921/7,099,736
  6. Step 6: Final answer
    x = 34,061,947.22

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.