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Finding the Third Proportional to 4,522,134.75 and 9,700,731.38

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Solution

The third proportional to 4,522,134.75 and 9,700,731.38 is: 20,809,682.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,522,134.75 : 9,700,731.38 = 9,700,731.38 : x
  2. Step 2: Convert to fraction form
    4,522,134.75/9,700,731.38 = 9,700,731.38/x
  3. Step 3: Cross multiply
    4,522,134.75x = 9,700,731.38 × 9,700,731.38
  4. Step 4: Simplify right side
    4,522,134.75x = 94,104,189,209,909.39
  5. Step 5: Solve for x
    x = 94,104,189,209,909.39/4,522,134.75
  6. Step 6: Final answer
    x = 20,809,682.69

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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.