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Finding the Third Proportional to 368,755.50 and 504,661.50

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Solution

The third proportional to 368,755.50 and 504,661.50 is: 690,656.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,755.50 : 504,661.50 = 504,661.50 : x
  2. Step 2: Convert to fraction form
    368,755.50/504,661.50 = 504,661.50/x
  3. Step 3: Cross multiply
    368,755.50x = 504,661.50 × 504,661.50
  4. Step 4: Simplify right side
    368,755.50x = 254,683,229,582.25
  5. Step 5: Solve for x
    x = 254,683,229,582.25/368,755.50
  6. Step 6: Final answer
    x = 690,656.08

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.