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Finding the Third Proportional to 188,358 and 263,985

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Solution

The third proportional to 188,358 and 263,985 is: 369,976.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,358 : 263,985 = 263,985 : x
  2. Step 2: Convert to fraction form
    188,358/263,985 = 263,985/x
  3. Step 3: Cross multiply
    188,358x = 263,985 × 263,985
  4. Step 4: Simplify right side
    188,358x = 69,688,080,225
  5. Step 5: Solve for x
    x = 69,688,080,225/188,358
  6. Step 6: Final answer
    x = 369,976.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.