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Finding the Third Proportional to 252,342.21 and 555,890.98

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Solution

The third proportional to 252,342.21 and 555,890.98 is: 1,224,586.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,342.21 : 555,890.98 = 555,890.98 : x
  2. Step 2: Convert to fraction form
    252,342.21/555,890.98 = 555,890.98/x
  3. Step 3: Cross multiply
    252,342.21x = 555,890.98 × 555,890.98
  4. Step 4: Simplify right side
    252,342.21x = 309,014,777,823.59
  5. Step 5: Solve for x
    x = 309,014,777,823.59/252,342.21
  6. Step 6: Final answer
    x = 1,224,586.15

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.