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Finding the Third Proportional to 9,069,806 and 19,908,868

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Solution

The third proportional to 9,069,806 and 19,908,868 is: 43,701,378.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,069,806 : 19,908,868 = 19,908,868 : x
  2. Step 2: Convert to fraction form
    9,069,806/19,908,868 = 19,908,868/x
  3. Step 3: Cross multiply
    9,069,806x = 19,908,868 × 19,908,868
  4. Step 4: Simplify right side
    9,069,806x = 396,363,025,041,424
  5. Step 5: Solve for x
    x = 396,363,025,041,424/9,069,806
  6. Step 6: Final answer
    x = 43,701,378.51

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.