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Finding the Third Proportional to 19,554,212 and 28,731,999

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Solution

The third proportional to 19,554,212 and 28,731,999 is: 42,217,388.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,554,212 : 28,731,999 = 28,731,999 : x
  2. Step 2: Convert to fraction form
    19,554,212/28,731,999 = 28,731,999/x
  3. Step 3: Cross multiply
    19,554,212x = 28,731,999 × 28,731,999
  4. Step 4: Simplify right side
    19,554,212x = 825,527,766,536,001
  5. Step 5: Solve for x
    x = 825,527,766,536,001/19,554,212
  6. Step 6: Final answer
    x = 42,217,388.59

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.