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Finding the Third Proportional to 118,209.50 and 262,663.50

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Solution

The third proportional to 118,209.50 and 262,663.50 is: 583,642.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,209.50 : 262,663.50 = 262,663.50 : x
  2. Step 2: Convert to fraction form
    118,209.50/262,663.50 = 262,663.50/x
  3. Step 3: Cross multiply
    118,209.50x = 262,663.50 × 262,663.50
  4. Step 4: Simplify right side
    118,209.50x = 68,992,114,232.25
  5. Step 5: Solve for x
    x = 68,992,114,232.25/118,209.50
  6. Step 6: Final answer
    x = 583,642.72

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.