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Finding the Third Proportional to 11,803,367 and 18,209,431

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Solution

The third proportional to 11,803,367 and 18,209,431 is: 28,092,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,803,367 : 18,209,431 = 18,209,431 : x
  2. Step 2: Convert to fraction form
    11,803,367/18,209,431 = 18,209,431/x
  3. Step 3: Cross multiply
    11,803,367x = 18,209,431 × 18,209,431
  4. Step 4: Simplify right side
    11,803,367x = 331,583,377,343,761
  5. Step 5: Solve for x
    x = 331,583,377,343,761/11,803,367
  6. Step 6: Final answer
    x = 28,092,270.40

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.