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Finding the Third Proportional to 21,487,698 and 33,320,835

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Solution

The third proportional to 21,487,698 and 33,320,835 is: 51,670,404.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,487,698 : 33,320,835 = 33,320,835 : x
  2. Step 2: Convert to fraction form
    21,487,698/33,320,835 = 33,320,835/x
  3. Step 3: Cross multiply
    21,487,698x = 33,320,835 × 33,320,835
  4. Step 4: Simplify right side
    21,487,698x = 1,110,278,045,097,225
  5. Step 5: Solve for x
    x = 1,110,278,045,097,225/21,487,698
  6. Step 6: Final answer
    x = 51,670,404.39

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.