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Finding the Third Proportional to 21,660,685.88 and 47,572,353

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Solution

The third proportional to 21,660,685.88 and 47,572,353 is: 104,480,937.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,660,685.88 : 47,572,353 = 47,572,353 : x
  2. Step 2: Convert to fraction form
    21,660,685.88/47,572,353 = 47,572,353/x
  3. Step 3: Cross multiply
    21,660,685.88x = 47,572,353 × 47,572,353
  4. Step 4: Simplify right side
    21,660,685.88x = 2,263,128,769,956,609
  5. Step 5: Solve for x
    x = 2,263,128,769,956,609/21,660,685.88
  6. Step 6: Final answer
    x = 104,480,937.63

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.