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Finding the Third Proportional to 62,890.50 and 85,455.75

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Solution

The third proportional to 62,890.50 and 85,455.75 is: 116,117.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,890.50 : 85,455.75 = 85,455.75 : x
  2. Step 2: Convert to fraction form
    62,890.50/85,455.75 = 85,455.75/x
  3. Step 3: Cross multiply
    62,890.50x = 85,455.75 × 85,455.75
  4. Step 4: Simplify right side
    62,890.50x = 7,302,685,208.06
  5. Step 5: Solve for x
    x = 7,302,685,208.06/62,890.50
  6. Step 6: Final answer
    x = 116,117.46

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.