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Finding the Third Proportional to 7,099,742 and 15,550,920

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Solution

The third proportional to 7,099,742 and 15,550,920 is: 34,061,957.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099,742 : 15,550,920 = 15,550,920 : x
  2. Step 2: Convert to fraction form
    7,099,742/15,550,920 = 15,550,920/x
  3. Step 3: Cross multiply
    7,099,742x = 15,550,920 × 15,550,920
  4. Step 4: Simplify right side
    7,099,742x = 241,831,112,846,400
  5. Step 5: Solve for x
    x = 241,831,112,846,400/7,099,742
  6. Step 6: Final answer
    x = 34,061,957.86

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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.