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Finding the Third Proportional to 395,459 and 933,138

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Solution

The third proportional to 395,459 and 933,138 is: 2,201,862.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,459 : 933,138 = 933,138 : x
  2. Step 2: Convert to fraction form
    395,459/933,138 = 933,138/x
  3. Step 3: Cross multiply
    395,459x = 933,138 × 933,138
  4. Step 4: Simplify right side
    395,459x = 870,746,527,044
  5. Step 5: Solve for x
    x = 870,746,527,044/395,459
  6. Step 6: Final answer
    x = 2,201,862.97

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.