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Finding the Third Proportional to 173,016 and 372,220

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Solution

The third proportional to 173,016 and 372,220 is: 800,779.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,016 : 372,220 = 372,220 : x
  2. Step 2: Convert to fraction form
    173,016/372,220 = 372,220/x
  3. Step 3: Cross multiply
    173,016x = 372,220 × 372,220
  4. Step 4: Simplify right side
    173,016x = 138,547,728,400
  5. Step 5: Solve for x
    x = 138,547,728,400/173,016
  6. Step 6: Final answer
    x = 800,779.86

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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.