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Finding the Third Proportional to 183,915 and 281,218.50

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Solution

The third proportional to 183,915 and 281,218.50 is: 430,002.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,915 : 281,218.50 = 281,218.50 : x
  2. Step 2: Convert to fraction form
    183,915/281,218.50 = 281,218.50/x
  3. Step 3: Cross multiply
    183,915x = 281,218.50 × 281,218.50
  4. Step 4: Simplify right side
    183,915x = 79,083,844,742.25
  5. Step 5: Solve for x
    x = 79,083,844,742.25/183,915
  6. Step 6: Final answer
    x = 430,002.15

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.