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Finding the Third Proportional to 3,367,488 and 5,135,280

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Solution

The third proportional to 3,367,488 and 5,135,280 is: 7,831,089.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367,488 : 5,135,280 = 5,135,280 : x
  2. Step 2: Convert to fraction form
    3,367,488/5,135,280 = 5,135,280/x
  3. Step 3: Cross multiply
    3,367,488x = 5,135,280 × 5,135,280
  4. Step 4: Simplify right side
    3,367,488x = 26,371,100,678,400
  5. Step 5: Solve for x
    x = 26,371,100,678,400/3,367,488
  6. Step 6: Final answer
    x = 7,831,089.73

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.