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Finding the Third Proportional to 56,309.63 and 122,353.88

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Solution

The third proportional to 56,309.63 and 122,353.88 is: 265,859.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,309.63 : 122,353.88 = 122,353.88 : x
  2. Step 2: Convert to fraction form
    56,309.63/122,353.88 = 122,353.88/x
  3. Step 3: Cross multiply
    56,309.63x = 122,353.88 × 122,353.88
  4. Step 4: Simplify right side
    56,309.63x = 14,970,470,727.52
  5. Step 5: Solve for x
    x = 14,970,470,727.52/56,309.63
  6. Step 6: Final answer
    x = 265,859.89

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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.