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Finding the Third Proportional to 105,069 and 157,231.50

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Solution

The third proportional to 105,069 and 157,231.50 is: 235,290.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,069 : 157,231.50 = 157,231.50 : x
  2. Step 2: Convert to fraction form
    105,069/157,231.50 = 157,231.50/x
  3. Step 3: Cross multiply
    105,069x = 157,231.50 × 157,231.50
  4. Step 4: Simplify right side
    105,069x = 24,721,744,592.25
  5. Step 5: Solve for x
    x = 24,721,744,592.25/105,069
  6. Step 6: Final answer
    x = 235,290.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.