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Finding the Third Proportional to 5,219,905 and 11,499,776

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Solution

The third proportional to 5,219,905 and 11,499,776 is: 25,334,723.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219,905 : 11,499,776 = 11,499,776 : x
  2. Step 2: Convert to fraction form
    5,219,905/11,499,776 = 11,499,776/x
  3. Step 3: Cross multiply
    5,219,905x = 11,499,776 × 11,499,776
  4. Step 4: Simplify right side
    5,219,905x = 132,244,848,050,176
  5. Step 5: Solve for x
    x = 132,244,848,050,176/5,219,905
  6. Step 6: Final answer
    x = 25,334,723.15

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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.