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Finding the Third Proportional to 160,155 and 251,236.50

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Solution

The third proportional to 160,155 and 251,236.50 is: 394,116.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,155 : 251,236.50 = 251,236.50 : x
  2. Step 2: Convert to fraction form
    160,155/251,236.50 = 251,236.50/x
  3. Step 3: Cross multiply
    160,155x = 251,236.50 × 251,236.50
  4. Step 4: Simplify right side
    160,155x = 63,119,778,932.25
  5. Step 5: Solve for x
    x = 63,119,778,932.25/160,155
  6. Step 6: Final answer
    x = 394,116.82

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.