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Finding the Third Proportional to 72,558.28 and 159,092.86

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Solution

The third proportional to 72,558.28 and 159,092.86 is: 348,830.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,558.28 : 159,092.86 = 159,092.86 : x
  2. Step 2: Convert to fraction form
    72,558.28/159,092.86 = 159,092.86/x
  3. Step 3: Cross multiply
    72,558.28x = 159,092.86 × 159,092.86
  4. Step 4: Simplify right side
    72,558.28x = 25,310,537,904.11
  5. Step 5: Solve for x
    x = 25,310,537,904.11/72,558.28
  6. Step 6: Final answer
    x = 348,830.45

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.