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Finding the Third Proportional to 427,803 and 910,662

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Solution

The third proportional to 427,803 and 910,662 is: 1,938,521.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,803 : 910,662 = 910,662 : x
  2. Step 2: Convert to fraction form
    427,803/910,662 = 910,662/x
  3. Step 3: Cross multiply
    427,803x = 910,662 × 910,662
  4. Step 4: Simplify right side
    427,803x = 829,305,278,244
  5. Step 5: Solve for x
    x = 829,305,278,244/427,803
  6. Step 6: Final answer
    x = 1,938,521.42

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.