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Finding the Third Proportional to 9,220,905 and 19,862,226

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Solution

The third proportional to 9,220,905 and 19,862,226 is: 42,784,089.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220,905 : 19,862,226 = 19,862,226 : x
  2. Step 2: Convert to fraction form
    9,220,905/19,862,226 = 19,862,226/x
  3. Step 3: Cross multiply
    9,220,905x = 19,862,226 × 19,862,226
  4. Step 4: Simplify right side
    9,220,905x = 394,508,021,675,076
  5. Step 5: Solve for x
    x = 394,508,021,675,076/9,220,905
  6. Step 6: Final answer
    x = 42,784,089.16

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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.