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Finding the Third Proportional to 8,129,521 and 11,888,945

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Solution

The third proportional to 8,129,521 and 11,888,945 is: 17,386,880.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,521 : 11,888,945 = 11,888,945 : x
  2. Step 2: Convert to fraction form
    8,129,521/11,888,945 = 11,888,945/x
  3. Step 3: Cross multiply
    8,129,521x = 11,888,945 × 11,888,945
  4. Step 4: Simplify right side
    8,129,521x = 141,347,013,213,025
  5. Step 5: Solve for x
    x = 141,347,013,213,025/8,129,521
  6. Step 6: Final answer
    x = 17,386,880.88

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.