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Finding the Third Proportional to 41,130 and 90,117

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Solution

The third proportional to 41,130 and 90,117 is: 197,448.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,130 : 90,117 = 90,117 : x
  2. Step 2: Convert to fraction form
    41,130/90,117 = 90,117/x
  3. Step 3: Cross multiply
    41,130x = 90,117 × 90,117
  4. Step 4: Simplify right side
    41,130x = 8,121,073,689
  5. Step 5: Solve for x
    x = 8,121,073,689/41,130
  6. Step 6: Final answer
    x = 197,448.91

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.