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Finding the Third Proportional to 18,870,459 and 41,274,009

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Solution

The third proportional to 18,870,459 and 41,274,009 is: 90,275,695.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,870,459 : 41,274,009 = 41,274,009 : x
  2. Step 2: Convert to fraction form
    18,870,459/41,274,009 = 41,274,009/x
  3. Step 3: Cross multiply
    18,870,459x = 41,274,009 × 41,274,009
  4. Step 4: Simplify right side
    18,870,459x = 1,703,543,818,932,081
  5. Step 5: Solve for x
    x = 1,703,543,818,932,081/18,870,459
  6. Step 6: Final answer
    x = 90,275,695.94

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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.