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Finding the Third Proportional to 45,781 and 98,465

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Solution

The third proportional to 45,781 and 98,465 is: 211,776.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,781 : 98,465 = 98,465 : x
  2. Step 2: Convert to fraction form
    45,781/98,465 = 98,465/x
  3. Step 3: Cross multiply
    45,781x = 98,465 × 98,465
  4. Step 4: Simplify right side
    45,781x = 9,695,356,225
  5. Step 5: Solve for x
    x = 9,695,356,225/45,781
  6. Step 6: Final answer
    x = 211,776.86

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.