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Finding the Third Proportional to 9,290,403 and 20,004,543

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Solution

The third proportional to 9,290,403 and 20,004,543 is: 43,074,745.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,290,403 : 20,004,543 = 20,004,543 : x
  2. Step 2: Convert to fraction form
    9,290,403/20,004,543 = 20,004,543/x
  3. Step 3: Cross multiply
    9,290,403x = 20,004,543 × 20,004,543
  4. Step 4: Simplify right side
    9,290,403x = 400,181,740,638,849
  5. Step 5: Solve for x
    x = 400,181,740,638,849/9,290,403
  6. Step 6: Final answer
    x = 43,074,745.05

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.