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Finding the Third Proportional to 4,181,808 and 9,071,712

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Solution

The third proportional to 4,181,808 and 9,071,712 is: 19,679,516.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,181,808 : 9,071,712 = 9,071,712 : x
  2. Step 2: Convert to fraction form
    4,181,808/9,071,712 = 9,071,712/x
  3. Step 3: Cross multiply
    4,181,808x = 9,071,712 × 9,071,712
  4. Step 4: Simplify right side
    4,181,808x = 82,295,958,610,944
  5. Step 5: Solve for x
    x = 82,295,958,610,944/4,181,808
  6. Step 6: Final answer
    x = 19,679,516.28

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.