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Finding the Third Proportional to 4,040,145 and 8,721,263.25

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Solution

The third proportional to 4,040,145 and 8,721,263.25 is: 18,826,164.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040,145 : 8,721,263.25 = 8,721,263.25 : x
  2. Step 2: Convert to fraction form
    4,040,145/8,721,263.25 = 8,721,263.25/x
  3. Step 3: Cross multiply
    4,040,145x = 8,721,263.25 × 8,721,263.25
  4. Step 4: Simplify right side
    4,040,145x = 76,060,432,675,800.56
  5. Step 5: Solve for x
    x = 76,060,432,675,800.56/4,040,145
  6. Step 6: Final answer
    x = 18,826,164.08

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.