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Finding the Third Proportional to 8,081,421 and 12,110,280

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Solution

The third proportional to 8,081,421 and 12,110,280 is: 18,147,660.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081,421 : 12,110,280 = 12,110,280 : x
  2. Step 2: Convert to fraction form
    8,081,421/12,110,280 = 12,110,280/x
  3. Step 3: Cross multiply
    8,081,421x = 12,110,280 × 12,110,280
  4. Step 4: Simplify right side
    8,081,421x = 146,658,881,678,400
  5. Step 5: Solve for x
    x = 146,658,881,678,400/8,081,421
  6. Step 6: Final answer
    x = 18,147,660.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.