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Finding the Third Proportional to 166,212 and 355,776

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Solution

The third proportional to 166,212 and 355,776 is: 761,536.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,212 : 355,776 = 355,776 : x
  2. Step 2: Convert to fraction form
    166,212/355,776 = 355,776/x
  3. Step 3: Cross multiply
    166,212x = 355,776 × 355,776
  4. Step 4: Simplify right side
    166,212x = 126,576,562,176
  5. Step 5: Solve for x
    x = 126,576,562,176/166,212
  6. Step 6: Final answer
    x = 761,536.85

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.