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Finding the Third Proportional to 18,546,720 and 28,372,356

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Solution

The third proportional to 18,546,720 and 28,372,356 is: 43,403,393.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,546,720 : 28,372,356 = 28,372,356 : x
  2. Step 2: Convert to fraction form
    18,546,720/28,372,356 = 28,372,356/x
  3. Step 3: Cross multiply
    18,546,720x = 28,372,356 × 28,372,356
  4. Step 4: Simplify right side
    18,546,720x = 804,990,584,990,736
  5. Step 5: Solve for x
    x = 804,990,584,990,736/18,546,720
  6. Step 6: Final answer
    x = 43,403,393.43

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.