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Finding the Third Proportional to 811,197 and 1,272,467.25

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Solution

The third proportional to 811,197 and 1,272,467.25 is: 1,996,029.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,197 : 1,272,467.25 = 1,272,467.25 : x
  2. Step 2: Convert to fraction form
    811,197/1,272,467.25 = 1,272,467.25/x
  3. Step 3: Cross multiply
    811,197x = 1,272,467.25 × 1,272,467.25
  4. Step 4: Simplify right side
    811,197x = 1,619,172,902,322.56
  5. Step 5: Solve for x
    x = 1,619,172,902,322.56/811,197
  6. Step 6: Final answer
    x = 1,996,029.20

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.