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Finding the Third Proportional to 811,372 and 1,272,760

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Solution

The third proportional to 811,372 and 1,272,760 is: 1,996,517.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,372 : 1,272,760 = 1,272,760 : x
  2. Step 2: Convert to fraction form
    811,372/1,272,760 = 1,272,760/x
  3. Step 3: Cross multiply
    811,372x = 1,272,760 × 1,272,760
  4. Step 4: Simplify right side
    811,372x = 1,619,918,017,600
  5. Step 5: Solve for x
    x = 1,619,918,017,600/811,372
  6. Step 6: Final answer
    x = 1,996,517.03

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