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Finding the Third Proportional to 72,292.50 and 156,652

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Solution

The third proportional to 72,292.50 and 156,652 is: 339,452.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,292.50 : 156,652 = 156,652 : x
  2. Step 2: Convert to fraction form
    72,292.50/156,652 = 156,652/x
  3. Step 3: Cross multiply
    72,292.50x = 156,652 × 156,652
  4. Step 4: Simplify right side
    72,292.50x = 24,539,849,104
  5. Step 5: Solve for x
    x = 24,539,849,104/72,292.50
  6. Step 6: Final answer
    x = 339,452.21

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.