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Finding the Third Proportional to 2,455,699.75 and 5,165,902.50

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Solution

The third proportional to 2,455,699.75 and 5,165,902.50 is: 10,867,187.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455,699.75 : 5,165,902.50 = 5,165,902.50 : x
  2. Step 2: Convert to fraction form
    2,455,699.75/5,165,902.50 = 5,165,902.50/x
  3. Step 3: Cross multiply
    2,455,699.75x = 5,165,902.50 × 5,165,902.50
  4. Step 4: Simplify right side
    2,455,699.75x = 26,686,548,639,506.25
  5. Step 5: Solve for x
    x = 26,686,548,639,506.25/2,455,699.75
  6. Step 6: Final answer
    x = 10,867,187.10

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.