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Finding the Third Proportional to 21,959,468 and 47,699,135

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Solution

The third proportional to 21,959,468 and 47,699,135 is: 103,609,408.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,959,468 : 47,699,135 = 47,699,135 : x
  2. Step 2: Convert to fraction form
    21,959,468/47,699,135 = 47,699,135/x
  3. Step 3: Cross multiply
    21,959,468x = 47,699,135 × 47,699,135
  4. Step 4: Simplify right side
    21,959,468x = 2,275,207,479,748,225
  5. Step 5: Solve for x
    x = 2,275,207,479,748,225/21,959,468
  6. Step 6: Final answer
    x = 103,609,408.01

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.