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Finding the Third Proportional to 803,422 and 1,101,669

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Solution

The third proportional to 803,422 and 1,101,669 is: 1,510,631.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,422 : 1,101,669 = 1,101,669 : x
  2. Step 2: Convert to fraction form
    803,422/1,101,669 = 1,101,669/x
  3. Step 3: Cross multiply
    803,422x = 1,101,669 × 1,101,669
  4. Step 4: Simplify right side
    803,422x = 1,213,674,585,561
  5. Step 5: Solve for x
    x = 1,213,674,585,561/803,422
  6. Step 6: Final answer
    x = 1,510,631.51

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.