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Finding the Third Proportional to 4,102,905 and 8,928,249

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Solution

The third proportional to 4,102,905 and 8,928,249 is: 19,428,582.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102,905 : 8,928,249 = 8,928,249 : x
  2. Step 2: Convert to fraction form
    4,102,905/8,928,249 = 8,928,249/x
  3. Step 3: Cross multiply
    4,102,905x = 8,928,249 × 8,928,249
  4. Step 4: Simplify right side
    4,102,905x = 79,713,630,206,001
  5. Step 5: Solve for x
    x = 79,713,630,206,001/4,102,905
  6. Step 6: Final answer
    x = 19,428,582.97

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.