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Finding the Third Proportional to 13,190,316 and 20,982,331

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Solution

The third proportional to 13,190,316 and 20,982,331 is: 33,377,381.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190,316 : 20,982,331 = 20,982,331 : x
  2. Step 2: Convert to fraction form
    13,190,316/20,982,331 = 20,982,331/x
  3. Step 3: Cross multiply
    13,190,316x = 20,982,331 × 20,982,331
  4. Step 4: Simplify right side
    13,190,316x = 440,258,214,193,561
  5. Step 5: Solve for x
    x = 440,258,214,193,561/13,190,316
  6. Step 6: Final answer
    x = 33,377,381.88

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.