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Finding the Third Proportional to 11,942,548 and 18,012,789

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Solution

The third proportional to 11,942,548 and 18,012,789 is: 27,168,454.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942,548 : 18,012,789 = 18,012,789 : x
  2. Step 2: Convert to fraction form
    11,942,548/18,012,789 = 18,012,789/x
  3. Step 3: Cross multiply
    11,942,548x = 18,012,789 × 18,012,789
  4. Step 4: Simplify right side
    11,942,548x = 324,460,567,558,521
  5. Step 5: Solve for x
    x = 324,460,567,558,521/11,942,548
  6. Step 6: Final answer
    x = 27,168,454.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.