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Finding the Third Proportional to 5,385,948 and 11,801,952

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Solution

The third proportional to 5,385,948 and 11,801,952 is: 25,861,012.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385,948 : 11,801,952 = 11,801,952 : x
  2. Step 2: Convert to fraction form
    5,385,948/11,801,952 = 11,801,952/x
  3. Step 3: Cross multiply
    5,385,948x = 11,801,952 × 11,801,952
  4. Step 4: Simplify right side
    5,385,948x = 139,286,071,010,304
  5. Step 5: Solve for x
    x = 139,286,071,010,304/5,385,948
  6. Step 6: Final answer
    x = 25,861,012.96

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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.