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Finding the Third Proportional to 161,239.50 and 254,232

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Solution

The third proportional to 161,239.50 and 254,232 is: 400,856.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,239.50 : 254,232 = 254,232 : x
  2. Step 2: Convert to fraction form
    161,239.50/254,232 = 254,232/x
  3. Step 3: Cross multiply
    161,239.50x = 254,232 × 254,232
  4. Step 4: Simplify right side
    161,239.50x = 64,633,909,824
  5. Step 5: Solve for x
    x = 64,633,909,824/161,239.50
  6. Step 6: Final answer
    x = 400,856.55

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.