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Finding the Third Proportional to 3,090,839.50 and 4,728,052.50

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Solution

The third proportional to 3,090,839.50 and 4,728,052.50 is: 7,232,494.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090,839.50 : 4,728,052.50 = 4,728,052.50 : x
  2. Step 2: Convert to fraction form
    3,090,839.50/4,728,052.50 = 4,728,052.50/x
  3. Step 3: Cross multiply
    3,090,839.50x = 4,728,052.50 × 4,728,052.50
  4. Step 4: Simplify right side
    3,090,839.50x = 22,354,480,442,756.25
  5. Step 5: Solve for x
    x = 22,354,480,442,756.25/3,090,839.50
  6. Step 6: Final answer
    x = 7,232,494.75

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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.