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Finding the Third Proportional to 220,549.50 and 478,433

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Solution

The third proportional to 220,549.50 and 478,433 is: 1,037,853.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,549.50 : 478,433 = 478,433 : x
  2. Step 2: Convert to fraction form
    220,549.50/478,433 = 478,433/x
  3. Step 3: Cross multiply
    220,549.50x = 478,433 × 478,433
  4. Step 4: Simplify right side
    220,549.50x = 228,898,135,489
  5. Step 5: Solve for x
    x = 228,898,135,489/220,549.50
  6. Step 6: Final answer
    x = 1,037,853.79

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.