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Finding the Third Proportional to 159,036.75 and 243,651.38

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Solution

The third proportional to 159,036.75 and 243,651.38 is: 373,284.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,036.75 : 243,651.38 = 243,651.38 : x
  2. Step 2: Convert to fraction form
    159,036.75/243,651.38 = 243,651.38/x
  3. Step 3: Cross multiply
    159,036.75x = 243,651.38 × 243,651.38
  4. Step 4: Simplify right side
    159,036.75x = 59,365,992,539.39
  5. Step 5: Solve for x
    x = 59,365,992,539.39/159,036.75
  6. Step 6: Final answer
    x = 373,284.74

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.