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Finding the Third Proportional to 375,991.50 and 811,918.50

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Solution

The third proportional to 375,991.50 and 811,918.50 is: 1,753,262.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,991.50 : 811,918.50 = 811,918.50 : x
  2. Step 2: Convert to fraction form
    375,991.50/811,918.50 = 811,918.50/x
  3. Step 3: Cross multiply
    375,991.50x = 811,918.50 × 811,918.50
  4. Step 4: Simplify right side
    375,991.50x = 659,211,650,642.25
  5. Step 5: Solve for x
    x = 659,211,650,642.25/375,991.50
  6. Step 6: Final answer
    x = 1,753,262.11

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.