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Finding the Third Proportional to 3,246,609 and 5,140,649.25

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Solution

The third proportional to 3,246,609 and 5,140,649.25 is: 8,139,654.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246,609 : 5,140,649.25 = 5,140,649.25 : x
  2. Step 2: Convert to fraction form
    3,246,609/5,140,649.25 = 5,140,649.25/x
  3. Step 3: Cross multiply
    3,246,609x = 5,140,649.25 × 5,140,649.25
  4. Step 4: Simplify right side
    3,246,609x = 26,426,274,711,525.56
  5. Step 5: Solve for x
    x = 26,426,274,711,525.56/3,246,609
  6. Step 6: Final answer
    x = 8,139,654.24

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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.