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Finding the Third Proportional to 821,059 and 1,307,476

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Solution

The third proportional to 821,059 and 1,307,476 is: 2,082,059.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,059 : 1,307,476 = 1,307,476 : x
  2. Step 2: Convert to fraction form
    821,059/1,307,476 = 1,307,476/x
  3. Step 3: Cross multiply
    821,059x = 1,307,476 × 1,307,476
  4. Step 4: Simplify right side
    821,059x = 1,709,493,490,576
  5. Step 5: Solve for x
    x = 1,709,493,490,576/821,059
  6. Step 6: Final answer
    x = 2,082,059.26

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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.