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Finding the Third Proportional to 102,259.50 and 218,733

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Solution

The third proportional to 102,259.50 and 218,733 is: 467,869.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,259.50 : 218,733 = 218,733 : x
  2. Step 2: Convert to fraction form
    102,259.50/218,733 = 218,733/x
  3. Step 3: Cross multiply
    102,259.50x = 218,733 × 218,733
  4. Step 4: Simplify right side
    102,259.50x = 47,844,125,289
  5. Step 5: Solve for x
    x = 47,844,125,289/102,259.50
  6. Step 6: Final answer
    x = 467,869.74

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.