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Finding the Third Proportional to 7,173,720 and 15,519,672

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Solution

The third proportional to 7,173,720 and 15,519,672 is: 33,575,358.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173,720 : 15,519,672 = 15,519,672 : x
  2. Step 2: Convert to fraction form
    7,173,720/15,519,672 = 15,519,672/x
  3. Step 3: Cross multiply
    7,173,720x = 15,519,672 × 15,519,672
  4. Step 4: Simplify right side
    7,173,720x = 240,860,218,987,584
  5. Step 5: Solve for x
    x = 240,860,218,987,584/7,173,720
  6. Step 6: Final answer
    x = 33,575,358.25

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.