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Finding the Third Proportional to 201,413 and 282,343

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Solution

The third proportional to 201,413 and 282,343 is: 395,791.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,413 : 282,343 = 282,343 : x
  2. Step 2: Convert to fraction form
    201,413/282,343 = 282,343/x
  3. Step 3: Cross multiply
    201,413x = 282,343 × 282,343
  4. Step 4: Simplify right side
    201,413x = 79,717,569,649
  5. Step 5: Solve for x
    x = 79,717,569,649/201,413
  6. Step 6: Final answer
    x = 395,791.58

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.