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Finding the Third Proportional to 156,039 and 235,161.75

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Solution

The third proportional to 156,039 and 235,161.75 is: 354,405.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,039 : 235,161.75 = 235,161.75 : x
  2. Step 2: Convert to fraction form
    156,039/235,161.75 = 235,161.75/x
  3. Step 3: Cross multiply
    156,039x = 235,161.75 × 235,161.75
  4. Step 4: Simplify right side
    156,039x = 55,301,048,663.06
  5. Step 5: Solve for x
    x = 55,301,048,663.06/156,039
  6. Step 6: Final answer
    x = 354,405.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.