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Finding the Third Proportional to 74,823.75 and 109,775.25

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Solution

The third proportional to 74,823.75 and 109,775.25 is: 161,053.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,823.75 : 109,775.25 = 109,775.25 : x
  2. Step 2: Convert to fraction form
    74,823.75/109,775.25 = 109,775.25/x
  3. Step 3: Cross multiply
    74,823.75x = 109,775.25 × 109,775.25
  4. Step 4: Simplify right side
    74,823.75x = 12,050,605,512.56
  5. Step 5: Solve for x
    x = 12,050,605,512.56/74,823.75
  6. Step 6: Final answer
    x = 161,053.22

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.