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Finding the Third Proportional to 11,651,328 and 18,090,432

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Solution

The third proportional to 11,651,328 and 18,090,432 is: 28,088,105.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,651,328 : 18,090,432 = 18,090,432 : x
  2. Step 2: Convert to fraction form
    11,651,328/18,090,432 = 18,090,432/x
  3. Step 3: Cross multiply
    11,651,328x = 18,090,432 × 18,090,432
  4. Step 4: Simplify right side
    11,651,328x = 327,263,729,946,624
  5. Step 5: Solve for x
    x = 327,263,729,946,624/11,651,328
  6. Step 6: Final answer
    x = 28,088,105.49

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.