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Finding the Third Proportional to 287,484.75 and 611,844.75

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Solution

The third proportional to 287,484.75 and 611,844.75 is: 1,302,169.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,484.75 : 611,844.75 = 611,844.75 : x
  2. Step 2: Convert to fraction form
    287,484.75/611,844.75 = 611,844.75/x
  3. Step 3: Cross multiply
    287,484.75x = 611,844.75 × 611,844.75
  4. Step 4: Simplify right side
    287,484.75x = 374,353,998,102.56
  5. Step 5: Solve for x
    x = 374,353,998,102.56/287,484.75
  6. Step 6: Final answer
    x = 1,302,169.93

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.