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Finding the Third Proportional to 8,161,330 and 17,873,972

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Solution

The third proportional to 8,161,330 and 17,873,972 is: 39,145,442.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161,330 : 17,873,972 = 17,873,972 : x
  2. Step 2: Convert to fraction form
    8,161,330/17,873,972 = 17,873,972/x
  3. Step 3: Cross multiply
    8,161,330x = 17,873,972 × 17,873,972
  4. Step 4: Simplify right side
    8,161,330x = 319,478,875,056,784
  5. Step 5: Solve for x
    x = 319,478,875,056,784/8,161,330
  6. Step 6: Final answer
    x = 39,145,442.60

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.