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Finding the Third Proportional to 96,813.75 and 139,438.50

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Solution

The third proportional to 96,813.75 and 139,438.50 is: 200,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,813.75 : 139,438.50 = 139,438.50 : x
  2. Step 2: Convert to fraction form
    96,813.75/139,438.50 = 139,438.50/x
  3. Step 3: Cross multiply
    96,813.75x = 139,438.50 × 139,438.50
  4. Step 4: Simplify right side
    96,813.75x = 19,443,095,282.25
  5. Step 5: Solve for x
    x = 19,443,095,282.25/96,813.75
  6. Step 6: Final answer
    x = 200,829.90

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.