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Finding the Third Proportional to 4,311,478.13 and 9,388,406.25

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Solution

The third proportional to 4,311,478.13 and 9,388,406.25 is: 20,443,608.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311,478.13 : 9,388,406.25 = 9,388,406.25 : x
  2. Step 2: Convert to fraction form
    4,311,478.13/9,388,406.25 = 9,388,406.25/x
  3. Step 3: Cross multiply
    4,311,478.13x = 9,388,406.25 × 9,388,406.25
  4. Step 4: Simplify right side
    4,311,478.13x = 88,142,171,915,039.06
  5. Step 5: Solve for x
    x = 88,142,171,915,039.06/4,311,478.13
  6. Step 6: Final answer
    x = 20,443,608.75

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.