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Finding the Third Proportional to 121,086,240 and 181,452,240

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Solution

The third proportional to 121,086,240 and 181,452,240 is: 271,912,939.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,086,240 : 181,452,240 = 181,452,240 : x
  2. Step 2: Convert to fraction form
    121,086,240/181,452,240 = 181,452,240/x
  3. Step 3: Cross multiply
    121,086,240x = 181,452,240 × 181,452,240
  4. Step 4: Simplify right side
    121,086,240x = 32,924,915,401,017,600
  5. Step 5: Solve for x
    x = 32,924,915,401,017,600/121,086,240
  6. Step 6: Final answer
    x = 271,912,939.08

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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.