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Finding the Third Proportional to 70,858.88 and 155,539.88

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Solution

The third proportional to 70,858.88 and 155,539.88 is: 341,420.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,858.88 : 155,539.88 = 155,539.88 : x
  2. Step 2: Convert to fraction form
    70,858.88/155,539.88 = 155,539.88/x
  3. Step 3: Cross multiply
    70,858.88x = 155,539.88 × 155,539.88
  4. Step 4: Simplify right side
    70,858.88x = 24,192,652,715.02
  5. Step 5: Solve for x
    x = 24,192,652,715.02/70,858.88
  6. Step 6: Final answer
    x = 341,420.22

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.