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Finding the Third Proportional to 102,533.50 and 221,424

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Solution

The third proportional to 102,533.50 and 221,424 is: 478,171.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,533.50 : 221,424 = 221,424 : x
  2. Step 2: Convert to fraction form
    102,533.50/221,424 = 221,424/x
  3. Step 3: Cross multiply
    102,533.50x = 221,424 × 221,424
  4. Step 4: Simplify right side
    102,533.50x = 49,028,587,776
  5. Step 5: Solve for x
    x = 49,028,587,776/102,533.50
  6. Step 6: Final answer
    x = 478,171.41

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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.