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Finding the Third Proportional to 3,439,087.50 and 7,287,819

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Solution

The third proportional to 3,439,087.50 and 7,287,819 is: 15,443,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439,087.50 : 7,287,819 = 7,287,819 : x
  2. Step 2: Convert to fraction form
    3,439,087.50/7,287,819 = 7,287,819/x
  3. Step 3: Cross multiply
    3,439,087.50x = 7,287,819 × 7,287,819
  4. Step 4: Simplify right side
    3,439,087.50x = 53,112,305,776,761
  5. Step 5: Solve for x
    x = 53,112,305,776,761/3,439,087.50
  6. Step 6: Final answer
    x = 15,443,720.40

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.