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Finding the Third Proportional to 5,140,489 and 11,289,948

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Solution

The third proportional to 5,140,489 and 11,289,948 is: 24,795,875.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140,489 : 11,289,948 = 11,289,948 : x
  2. Step 2: Convert to fraction form
    5,140,489/11,289,948 = 11,289,948/x
  3. Step 3: Cross multiply
    5,140,489x = 11,289,948 × 11,289,948
  4. Step 4: Simplify right side
    5,140,489x = 127,462,925,842,704
  5. Step 5: Solve for x
    x = 127,462,925,842,704/5,140,489
  6. Step 6: Final answer
    x = 24,795,875.61

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.