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Finding the Third Proportional to 256,562.44 and 529,390.69

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Solution

The third proportional to 256,562.44 and 529,390.69 is: 1,092,344.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,562.44 : 529,390.69 = 529,390.69 : x
  2. Step 2: Convert to fraction form
    256,562.44/529,390.69 = 529,390.69/x
  3. Step 3: Cross multiply
    256,562.44x = 529,390.69 × 529,390.69
  4. Step 4: Simplify right side
    256,562.44x = 280,254,500,011.72
  5. Step 5: Solve for x
    x = 280,254,500,011.72/256,562.44
  6. Step 6: Final answer
    x = 1,092,344.24

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.