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Finding the Third Proportional to 18,177,576 and 38,908,272

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Solution

The third proportional to 18,177,576 and 38,908,272 is: 83,281,380.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,177,576 : 38,908,272 = 38,908,272 : x
  2. Step 2: Convert to fraction form
    18,177,576/38,908,272 = 38,908,272/x
  3. Step 3: Cross multiply
    18,177,576x = 38,908,272 × 38,908,272
  4. Step 4: Simplify right side
    18,177,576x = 1,513,853,630,025,984
  5. Step 5: Solve for x
    x = 1,513,853,630,025,984/18,177,576
  6. Step 6: Final answer
    x = 83,281,380.86

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.