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Finding the Third Proportional to 5,385,946 and 11,801,948

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Solution

The third proportional to 5,385,946 and 11,801,948 is: 25,861,005.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385,946 : 11,801,948 = 11,801,948 : x
  2. Step 2: Convert to fraction form
    5,385,946/11,801,948 = 11,801,948/x
  3. Step 3: Cross multiply
    5,385,946x = 11,801,948 × 11,801,948
  4. Step 4: Simplify right side
    5,385,946x = 139,285,976,594,704
  5. Step 5: Solve for x
    x = 139,285,976,594,704/5,385,946
  6. Step 6: Final answer
    x = 25,861,005.03

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.