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Finding the Third Proportional to 56,288 and 122,332

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Solution

The third proportional to 56,288 and 122,332 is: 265,866.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,288 : 122,332 = 122,332 : x
  2. Step 2: Convert to fraction form
    56,288/122,332 = 122,332/x
  3. Step 3: Cross multiply
    56,288x = 122,332 × 122,332
  4. Step 4: Simplify right side
    56,288x = 14,965,118,224
  5. Step 5: Solve for x
    x = 14,965,118,224/56,288
  6. Step 6: Final answer
    x = 265,866.94

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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.