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Finding the Third Proportional to 79,404.76 and 122,999.53

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Solution

The third proportional to 79,404.76 and 122,999.53 is: 190,528.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,404.76 : 122,999.53 = 122,999.53 : x
  2. Step 2: Convert to fraction form
    79,404.76/122,999.53 = 122,999.53/x
  3. Step 3: Cross multiply
    79,404.76x = 122,999.53 × 122,999.53
  4. Step 4: Simplify right side
    79,404.76x = 15,128,883,967.02
  5. Step 5: Solve for x
    x = 15,128,883,967.02/79,404.76
  6. Step 6: Final answer
    x = 190,528.68

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.