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Finding the Third Proportional to 121,059,168.75 and 169,869,987

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Solution

The third proportional to 121,059,168.75 and 169,869,987 is: 238,361,230.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,059,168.75 : 169,869,987 = 169,869,987 : x
  2. Step 2: Convert to fraction form
    121,059,168.75/169,869,987 = 169,869,987/x
  3. Step 3: Cross multiply
    121,059,168.75x = 169,869,987 × 169,869,987
  4. Step 4: Simplify right side
    121,059,168.75x = 28,855,812,483,380,168
  5. Step 5: Solve for x
    x = 28,855,812,483,380,168/121,059,168.75
  6. Step 6: Final answer
    x = 238,361,230.97

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.