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Finding the Third Proportional to 207,605.63 and 338,998.13

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Solution

The third proportional to 207,605.63 and 338,998.13 is: 553,548.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,605.63 : 338,998.13 = 338,998.13 : x
  2. Step 2: Convert to fraction form
    207,605.63/338,998.13 = 338,998.13/x
  3. Step 3: Cross multiply
    207,605.63x = 338,998.13 × 338,998.13
  4. Step 4: Simplify right side
    207,605.63x = 114,919,728,753.52
  5. Step 5: Solve for x
    x = 114,919,728,753.52/207,605.63
  6. Step 6: Final answer
    x = 553,548.24

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.