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Finding the Third Proportional to 5,298,990 and 8,404,476.75

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Solution

The third proportional to 5,298,990 and 8,404,476.75 is: 13,329,942.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298,990 : 8,404,476.75 = 8,404,476.75 : x
  2. Step 2: Convert to fraction form
    5,298,990/8,404,476.75 = 8,404,476.75/x
  3. Step 3: Cross multiply
    5,298,990x = 8,404,476.75 × 8,404,476.75
  4. Step 4: Simplify right side
    5,298,990x = 70,635,229,441,290.56
  5. Step 5: Solve for x
    x = 70,635,229,441,290.56/5,298,990
  6. Step 6: Final answer
    x = 13,329,942.02

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.