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Finding the Third Proportional to 84,580.88 and 122,873.63

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Solution

The third proportional to 84,580.88 and 122,873.63 is: 178,502.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,580.88 : 122,873.63 = 122,873.63 : x
  2. Step 2: Convert to fraction form
    84,580.88/122,873.63 = 122,873.63/x
  3. Step 3: Cross multiply
    84,580.88x = 122,873.63 × 122,873.63
  4. Step 4: Simplify right side
    84,580.88x = 15,097,927,720.64
  5. Step 5: Solve for x
    x = 15,097,927,720.64/84,580.88
  6. Step 6: Final answer
    x = 178,502.86

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These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.