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Finding the Third Proportional to 3,457,894 and 5,555,913

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Solution

The third proportional to 3,457,894 and 5,555,913 is: 8,926,869.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457,894 : 5,555,913 = 5,555,913 : x
  2. Step 2: Convert to fraction form
    3,457,894/5,555,913 = 5,555,913/x
  3. Step 3: Cross multiply
    3,457,894x = 5,555,913 × 5,555,913
  4. Step 4: Simplify right side
    3,457,894x = 30,868,169,263,569
  5. Step 5: Solve for x
    x = 30,868,169,263,569/3,457,894
  6. Step 6: Final answer
    x = 8,926,869.73

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.