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Finding the Third Proportional to 18,133,250 and 39,456,580

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Solution

The third proportional to 18,133,250 and 39,456,580 is: 85,854,532.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133,250 : 39,456,580 = 39,456,580 : x
  2. Step 2: Convert to fraction form
    18,133,250/39,456,580 = 39,456,580/x
  3. Step 3: Cross multiply
    18,133,250x = 39,456,580 × 39,456,580
  4. Step 4: Simplify right side
    18,133,250x = 1,556,821,705,296,400
  5. Step 5: Solve for x
    x = 1,556,821,705,296,400/18,133,250
  6. Step 6: Final answer
    x = 85,854,532.71

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.