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Finding the Third Proportional to 636,808.50 and 940,632.75

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Solution

The third proportional to 636,808.50 and 940,632.75 is: 1,389,412.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,808.50 : 940,632.75 = 940,632.75 : x
  2. Step 2: Convert to fraction form
    636,808.50/940,632.75 = 940,632.75/x
  3. Step 3: Cross multiply
    636,808.50x = 940,632.75 × 940,632.75
  4. Step 4: Simplify right side
    636,808.50x = 884,789,970,372.56
  5. Step 5: Solve for x
    x = 884,789,970,372.56/636,808.50
  6. Step 6: Final answer
    x = 1,389,412.94

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.