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Finding the Third Proportional to 2,153,719.50 and 3,334,431

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Solution

The third proportional to 2,153,719.50 and 3,334,431 is: 5,162,431.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,719.50 : 3,334,431 = 3,334,431 : x
  2. Step 2: Convert to fraction form
    2,153,719.50/3,334,431 = 3,334,431/x
  3. Step 3: Cross multiply
    2,153,719.50x = 3,334,431 × 3,334,431
  4. Step 4: Simplify right side
    2,153,719.50x = 11,118,430,093,761
  5. Step 5: Solve for x
    x = 11,118,430,093,761/2,153,719.50
  6. Step 6: Final answer
    x = 5,162,431.83

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.