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Finding the Third Proportional to 156,983 and 201,576

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Solution

The third proportional to 156,983 and 201,576 is: 258,836.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,983 : 201,576 = 201,576 : x
  2. Step 2: Convert to fraction form
    156,983/201,576 = 201,576/x
  3. Step 3: Cross multiply
    156,983x = 201,576 × 201,576
  4. Step 4: Simplify right side
    156,983x = 40,632,883,776
  5. Step 5: Solve for x
    x = 40,632,883,776/156,983
  6. Step 6: Final answer
    x = 258,836.20

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.