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Finding the Third Proportional to 343,605.38 and 552,344.06

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Solution

The third proportional to 343,605.38 and 552,344.06 is: 887,890.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,605.38 : 552,344.06 = 552,344.06 : x
  2. Step 2: Convert to fraction form
    343,605.38/552,344.06 = 552,344.06/x
  3. Step 3: Cross multiply
    343,605.38x = 552,344.06 × 552,344.06
  4. Step 4: Simplify right side
    343,605.38x = 305,083,963,379.00
  5. Step 5: Solve for x
    x = 305,083,963,379.00/343,605.38
  6. Step 6: Final answer
    x = 887,890.54

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.