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Finding the Third Proportional to 208,393.50 and 455,317.50

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Solution

The third proportional to 208,393.50 and 455,317.50 is: 994,820.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,393.50 : 455,317.50 = 455,317.50 : x
  2. Step 2: Convert to fraction form
    208,393.50/455,317.50 = 455,317.50/x
  3. Step 3: Cross multiply
    208,393.50x = 455,317.50 × 455,317.50
  4. Step 4: Simplify right side
    208,393.50x = 207,314,025,806.25
  5. Step 5: Solve for x
    x = 207,314,025,806.25/208,393.50
  6. Step 6: Final answer
    x = 994,820.02

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.