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Finding the Third Proportional to 10,692,738.21 and 21,952,330.03

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Solution

The third proportional to 10,692,738.21 and 21,952,330.03 is: 45,068,417.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692,738.21 : 21,952,330.03 = 21,952,330.03 : x
  2. Step 2: Convert to fraction form
    10,692,738.21/21,952,330.03 = 21,952,330.03/x
  3. Step 3: Cross multiply
    10,692,738.21x = 21,952,330.03 × 21,952,330.03
  4. Step 4: Simplify right side
    10,692,738.21x = 481,904,793,800,920.62
  5. Step 5: Solve for x
    x = 481,904,793,800,920.62/10,692,738.21
  6. Step 6: Final answer
    x = 45,068,417.86

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.