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Finding the Third Proportional to 156,902 and 235,702

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Solution

The third proportional to 156,902 and 235,702 is: 354,077.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,902 : 235,702 = 235,702 : x
  2. Step 2: Convert to fraction form
    156,902/235,702 = 235,702/x
  3. Step 3: Cross multiply
    156,902x = 235,702 × 235,702
  4. Step 4: Simplify right side
    156,902x = 55,555,432,804
  5. Step 5: Solve for x
    x = 55,555,432,804/156,902
  6. Step 6: Final answer
    x = 354,077.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.