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Finding the Third Proportional to 169,511.63 and 256,000.50

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Solution

The third proportional to 169,511.63 and 256,000.50 is: 386,618.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,511.63 : 256,000.50 = 256,000.50 : x
  2. Step 2: Convert to fraction form
    169,511.63/256,000.50 = 256,000.50/x
  3. Step 3: Cross multiply
    169,511.63x = 256,000.50 × 256,000.50
  4. Step 4: Simplify right side
    169,511.63x = 65,536,256,000.25
  5. Step 5: Solve for x
    x = 65,536,256,000.25/169,511.63
  6. Step 6: Final answer
    x = 386,618.06

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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.