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Finding the Third Proportional to 71,296.50 and 110,358

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Solution

The third proportional to 71,296.50 and 110,358 is: 170,820.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,296.50 : 110,358 = 110,358 : x
  2. Step 2: Convert to fraction form
    71,296.50/110,358 = 110,358/x
  3. Step 3: Cross multiply
    71,296.50x = 110,358 × 110,358
  4. Step 4: Simplify right side
    71,296.50x = 12,178,888,164
  5. Step 5: Solve for x
    x = 12,178,888,164/71,296.50
  6. Step 6: Final answer
    x = 170,820.28

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.