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Finding the Third Proportional to 3,246,607.50 and 5,140,647

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Solution

The third proportional to 3,246,607.50 and 5,140,647 is: 8,139,650.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246,607.50 : 5,140,647 = 5,140,647 : x
  2. Step 2: Convert to fraction form
    3,246,607.50/5,140,647 = 5,140,647/x
  3. Step 3: Cross multiply
    3,246,607.50x = 5,140,647 × 5,140,647
  4. Step 4: Simplify right side
    3,246,607.50x = 26,426,251,578,609
  5. Step 5: Solve for x
    x = 26,426,251,578,609/3,246,607.50
  6. Step 6: Final answer
    x = 8,139,650.88

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.