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Finding the Third Proportional to 56,310.75 and 121,347

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Solution

The third proportional to 56,310.75 and 121,347 is: 261,497.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,310.75 : 121,347 = 121,347 : x
  2. Step 2: Convert to fraction form
    56,310.75/121,347 = 121,347/x
  3. Step 3: Cross multiply
    56,310.75x = 121,347 × 121,347
  4. Step 4: Simplify right side
    56,310.75x = 14,725,094,409
  5. Step 5: Solve for x
    x = 14,725,094,409/56,310.75
  6. Step 6: Final answer
    x = 261,497.04

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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.