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Finding the Third Proportional to 154,851.75 and 218,066.25

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Solution

The third proportional to 154,851.75 and 218,066.25 is: 307,086.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,851.75 : 218,066.25 = 218,066.25 : x
  2. Step 2: Convert to fraction form
    154,851.75/218,066.25 = 218,066.25/x
  3. Step 3: Cross multiply
    154,851.75x = 218,066.25 × 218,066.25
  4. Step 4: Simplify right side
    154,851.75x = 47,552,889,389.06
  5. Step 5: Solve for x
    x = 47,552,889,389.06/154,851.75
  6. Step 6: Final answer
    x = 307,086.55

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.