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Finding the Third Proportional to 156,985.59 and 336,744.84

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Solution

The third proportional to 156,985.59 and 336,744.84 is: 722,340.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,985.59 : 336,744.84 = 336,744.84 : x
  2. Step 2: Convert to fraction form
    156,985.59/336,744.84 = 336,744.84/x
  3. Step 3: Cross multiply
    156,985.59x = 336,744.84 × 336,744.84
  4. Step 4: Simplify right side
    156,985.59x = 113,397,089,792.21
  5. Step 5: Solve for x
    x = 113,397,089,792.21/156,985.59
  6. Step 6: Final answer
    x = 722,340.74

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.