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Finding the Third Proportional to 164,280 and 353,100

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Solution

The third proportional to 164,280 and 353,100 is: 758,945.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,280 : 353,100 = 353,100 : x
  2. Step 2: Convert to fraction form
    164,280/353,100 = 353,100/x
  3. Step 3: Cross multiply
    164,280x = 353,100 × 353,100
  4. Step 4: Simplify right side
    164,280x = 124,679,610,000
  5. Step 5: Solve for x
    x = 124,679,610,000/164,280
  6. Step 6: Final answer
    x = 758,945.76

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.