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Finding the Third Proportional to 116,776 and 180,634

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Solution

The third proportional to 116,776 and 180,634 is: 279,412.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,776 : 180,634 = 180,634 : x
  2. Step 2: Convert to fraction form
    116,776/180,634 = 180,634/x
  3. Step 3: Cross multiply
    116,776x = 180,634 × 180,634
  4. Step 4: Simplify right side
    116,776x = 32,628,641,956
  5. Step 5: Solve for x
    x = 32,628,641,956/116,776
  6. Step 6: Final answer
    x = 279,412.22

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.