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Finding the Third Proportional to 615,884.50 and 860,950.50

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Solution

The third proportional to 615,884.50 and 860,950.50 is: 1,203,530.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,884.50 : 860,950.50 = 860,950.50 : x
  2. Step 2: Convert to fraction form
    615,884.50/860,950.50 = 860,950.50/x
  3. Step 3: Cross multiply
    615,884.50x = 860,950.50 × 860,950.50
  4. Step 4: Simplify right side
    615,884.50x = 741,235,763,450.25
  5. Step 5: Solve for x
    x = 741,235,763,450.25/615,884.50
  6. Step 6: Final answer
    x = 1,203,530.47

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.