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Finding the Third Proportional to 450,105.75 and 636,878.25

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Solution

The third proportional to 450,105.75 and 636,878.25 is: 901,152.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,105.75 : 636,878.25 = 636,878.25 : x
  2. Step 2: Convert to fraction form
    450,105.75/636,878.25 = 636,878.25/x
  3. Step 3: Cross multiply
    450,105.75x = 636,878.25 × 636,878.25
  4. Step 4: Simplify right side
    450,105.75x = 405,613,905,323.06
  5. Step 5: Solve for x
    x = 405,613,905,323.06/450,105.75
  6. Step 6: Final answer
    x = 901,152.46

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.