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Finding the Third Proportional to 156,718 and 235,074

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Solution

The third proportional to 156,718 and 235,074 is: 352,606.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,718 : 235,074 = 235,074 : x
  2. Step 2: Convert to fraction form
    156,718/235,074 = 235,074/x
  3. Step 3: Cross multiply
    156,718x = 235,074 × 235,074
  4. Step 4: Simplify right side
    156,718x = 55,259,785,476
  5. Step 5: Solve for x
    x = 55,259,785,476/156,718
  6. Step 6: Final answer
    x = 352,606.50

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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.