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Finding the Third Proportional to 577,826 and 898,211

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Solution

The third proportional to 577,826 and 898,211 is: 1,396,238.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,826 : 898,211 = 898,211 : x
  2. Step 2: Convert to fraction form
    577,826/898,211 = 898,211/x
  3. Step 3: Cross multiply
    577,826x = 898,211 × 898,211
  4. Step 4: Simplify right side
    577,826x = 806,783,000,521
  5. Step 5: Solve for x
    x = 806,783,000,521/577,826
  6. Step 6: Final answer
    x = 1,396,238.66

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.