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Finding the Third Proportional to 418,020 and 903,108

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Solution

The third proportional to 418,020 and 903,108 is: 1,951,112.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,020 : 903,108 = 903,108 : x
  2. Step 2: Convert to fraction form
    418,020/903,108 = 903,108/x
  3. Step 3: Cross multiply
    418,020x = 903,108 × 903,108
  4. Step 4: Simplify right side
    418,020x = 815,604,059,664
  5. Step 5: Solve for x
    x = 815,604,059,664/418,020
  6. Step 6: Final answer
    x = 1,951,112.53

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.