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Finding the Third Proportional to 162,202 and 355,980

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Solution

The third proportional to 162,202 and 355,980 is: 781,258.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,202 : 355,980 = 355,980 : x
  2. Step 2: Convert to fraction form
    162,202/355,980 = 355,980/x
  3. Step 3: Cross multiply
    162,202x = 355,980 × 355,980
  4. Step 4: Simplify right side
    162,202x = 126,721,760,400
  5. Step 5: Solve for x
    x = 126,721,760,400/162,202
  6. Step 6: Final answer
    x = 781,258.93

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.