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Finding the Third Proportional to 397,230 and 907,539

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Solution

The third proportional to 397,230 and 907,539 is: 2,073,426.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,230 : 907,539 = 907,539 : x
  2. Step 2: Convert to fraction form
    397,230/907,539 = 907,539/x
  3. Step 3: Cross multiply
    397,230x = 907,539 × 907,539
  4. Step 4: Simplify right side
    397,230x = 823,627,036,521
  5. Step 5: Solve for x
    x = 823,627,036,521/397,230
  6. Step 6: Final answer
    x = 2,073,426.07

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Why These Related Problems?

These problems maintain the same ratio (2.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.