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Finding the Third Proportional to 103,660 and 216,526

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Solution

The third proportional to 103,660 and 216,526 is: 452,281.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,660 : 216,526 = 216,526 : x
  2. Step 2: Convert to fraction form
    103,660/216,526 = 216,526/x
  3. Step 3: Cross multiply
    103,660x = 216,526 × 216,526
  4. Step 4: Simplify right side
    103,660x = 46,883,508,676
  5. Step 5: Solve for x
    x = 46,883,508,676/103,660
  6. Step 6: Final answer
    x = 452,281.58

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.