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Finding the Third Proportional to 808,422 and 1,347,289

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Solution

The third proportional to 808,422 and 1,347,289 is: 2,245,346.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,422 : 1,347,289 = 1,347,289 : x
  2. Step 2: Convert to fraction form
    808,422/1,347,289 = 1,347,289/x
  3. Step 3: Cross multiply
    808,422x = 1,347,289 × 1,347,289
  4. Step 4: Simplify right side
    808,422x = 1,815,187,649,521
  5. Step 5: Solve for x
    x = 1,815,187,649,521/808,422
  6. Step 6: Final answer
    x = 2,245,346.67

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.