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Finding the Third Proportional to 54,575 and 81,525.50

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Solution

The third proportional to 54,575 and 81,525.50 is: 121,784.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,575 : 81,525.50 = 81,525.50 : x
  2. Step 2: Convert to fraction form
    54,575/81,525.50 = 81,525.50/x
  3. Step 3: Cross multiply
    54,575x = 81,525.50 × 81,525.50
  4. Step 4: Simplify right side
    54,575x = 6,646,407,150.25
  5. Step 5: Solve for x
    x = 6,646,407,150.25/54,575
  6. Step 6: Final answer
    x = 121,784.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.