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Finding the Third Proportional to 8,881,221 and 19,132,854

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Solution

The third proportional to 8,881,221 and 19,132,854 is: 41,217,992.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881,221 : 19,132,854 = 19,132,854 : x
  2. Step 2: Convert to fraction form
    8,881,221/19,132,854 = 19,132,854/x
  3. Step 3: Cross multiply
    8,881,221x = 19,132,854 × 19,132,854
  4. Step 4: Simplify right side
    8,881,221x = 366,066,102,185,316
  5. Step 5: Solve for x
    x = 366,066,102,185,316/8,881,221
  6. Step 6: Final answer
    x = 41,217,992.68

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.