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Finding the Third Proportional to 454,020.75 and 636,297.75

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Solution

The third proportional to 454,020.75 and 636,297.75 is: 891,754.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,020.75 : 636,297.75 = 636,297.75 : x
  2. Step 2: Convert to fraction form
    454,020.75/636,297.75 = 636,297.75/x
  3. Step 3: Cross multiply
    454,020.75x = 636,297.75 × 636,297.75
  4. Step 4: Simplify right side
    454,020.75x = 404,874,826,655.06
  5. Step 5: Solve for x
    x = 404,874,826,655.06/454,020.75
  6. Step 6: Final answer
    x = 891,754.01

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.