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Finding the Third Proportional to 821,062 and 1,307,481

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Solution

The third proportional to 821,062 and 1,307,481 is: 2,082,067.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,062 : 1,307,481 = 1,307,481 : x
  2. Step 2: Convert to fraction form
    821,062/1,307,481 = 1,307,481/x
  3. Step 3: Cross multiply
    821,062x = 1,307,481 × 1,307,481
  4. Step 4: Simplify right side
    821,062x = 1,709,506,565,361
  5. Step 5: Solve for x
    x = 1,709,506,565,361/821,062
  6. Step 6: Final answer
    x = 2,082,067.57

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.