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Finding the Third Proportional to 201,610 and 313,576

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Solution

The third proportional to 201,610 and 313,576 is: 487,723.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,610 : 313,576 = 313,576 : x
  2. Step 2: Convert to fraction form
    201,610/313,576 = 313,576/x
  3. Step 3: Cross multiply
    201,610x = 313,576 × 313,576
  4. Step 4: Simplify right side
    201,610x = 98,329,907,776
  5. Step 5: Solve for x
    x = 98,329,907,776/201,610
  6. Step 6: Final answer
    x = 487,723.37

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.