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Finding the Third Proportional to 162,087.50 and 260,431.25

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Solution

The third proportional to 162,087.50 and 260,431.25 is: 418,443.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,087.50 : 260,431.25 = 260,431.25 : x
  2. Step 2: Convert to fraction form
    162,087.50/260,431.25 = 260,431.25/x
  3. Step 3: Cross multiply
    162,087.50x = 260,431.25 × 260,431.25
  4. Step 4: Simplify right side
    162,087.50x = 67,824,435,976.56
  5. Step 5: Solve for x
    x = 67,824,435,976.56/162,087.50
  6. Step 6: Final answer
    x = 418,443.35

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.