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Finding the Third Proportional to 193,700 and 290,540

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Solution

The third proportional to 193,700 and 290,540 is: 435,795.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,700 : 290,540 = 290,540 : x
  2. Step 2: Convert to fraction form
    193,700/290,540 = 290,540/x
  3. Step 3: Cross multiply
    193,700x = 290,540 × 290,540
  4. Step 4: Simplify right side
    193,700x = 84,413,491,600
  5. Step 5: Solve for x
    x = 84,413,491,600/193,700
  6. Step 6: Final answer
    x = 435,795.00

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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.