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Finding the Third Proportional to 355,666.78 and 533,508.19

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Solution

The third proportional to 355,666.78 and 533,508.19 is: 800,274.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,666.78 : 533,508.19 = 533,508.19 : x
  2. Step 2: Convert to fraction form
    355,666.78/533,508.19 = 533,508.19/x
  3. Step 3: Cross multiply
    355,666.78x = 533,508.19 × 533,508.19
  4. Step 4: Simplify right side
    355,666.78x = 284,630,986,129.54
  5. Step 5: Solve for x
    x = 284,630,986,129.54/355,666.78
  6. Step 6: Final answer
    x = 800,274.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.