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Finding the Third Proportional to 151,215 and 228,036.75

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Solution

The third proportional to 151,215 and 228,036.75 is: 343,886.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,215 : 228,036.75 = 228,036.75 : x
  2. Step 2: Convert to fraction form
    151,215/228,036.75 = 228,036.75/x
  3. Step 3: Cross multiply
    151,215x = 228,036.75 × 228,036.75
  4. Step 4: Simplify right side
    151,215x = 52,000,759,350.56
  5. Step 5: Solve for x
    x = 52,000,759,350.56/151,215
  6. Step 6: Final answer
    x = 343,886.25

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.