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Finding the Third Proportional to 58,684.50 and 128,850.75

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Solution

The third proportional to 58,684.50 and 128,850.75 is: 282,911.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,684.50 : 128,850.75 = 128,850.75 : x
  2. Step 2: Convert to fraction form
    58,684.50/128,850.75 = 128,850.75/x
  3. Step 3: Cross multiply
    58,684.50x = 128,850.75 × 128,850.75
  4. Step 4: Simplify right side
    58,684.50x = 16,602,515,775.56
  5. Step 5: Solve for x
    x = 16,602,515,775.56/58,684.50
  6. Step 6: Final answer
    x = 282,911.43

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.