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Finding the Third Proportional to 91,038.94 and 106,211.25

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Solution

The third proportional to 91,038.94 and 106,211.25 is: 123,912.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,038.94 : 106,211.25 = 106,211.25 : x
  2. Step 2: Convert to fraction form
    91,038.94/106,211.25 = 106,211.25/x
  3. Step 3: Cross multiply
    91,038.94x = 106,211.25 × 106,211.25
  4. Step 4: Simplify right side
    91,038.94x = 11,280,829,626.56
  5. Step 5: Solve for x
    x = 11,280,829,626.56/91,038.94
  6. Step 6: Final answer
    x = 123,912.14

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Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.