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Finding the Third Proportional to 166,887 and 369,812.25

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Solution

The third proportional to 166,887 and 369,812.25 is: 819,483.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,887 : 369,812.25 = 369,812.25 : x
  2. Step 2: Convert to fraction form
    166,887/369,812.25 = 369,812.25/x
  3. Step 3: Cross multiply
    166,887x = 369,812.25 × 369,812.25
  4. Step 4: Simplify right side
    166,887x = 136,761,100,250.06
  5. Step 5: Solve for x
    x = 136,761,100,250.06/166,887
  6. Step 6: Final answer
    x = 819,483.24

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.