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Finding the Third Proportional to 811,532 and 1,266,427

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Solution

The third proportional to 811,532 and 1,266,427 is: 1,976,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,532 : 1,266,427 = 1,266,427 : x
  2. Step 2: Convert to fraction form
    811,532/1,266,427 = 1,266,427/x
  3. Step 3: Cross multiply
    811,532x = 1,266,427 × 1,266,427
  4. Step 4: Simplify right side
    811,532x = 1,603,837,346,329
  5. Step 5: Solve for x
    x = 1,603,837,346,329/811,532
  6. Step 6: Final answer
    x = 1,976,308.20

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.