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Finding the Third Proportional to 6,972,915 and 15,180,918

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Solution

The third proportional to 6,972,915 and 15,180,918 is: 33,050,778.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972,915 : 15,180,918 = 15,180,918 : x
  2. Step 2: Convert to fraction form
    6,972,915/15,180,918 = 15,180,918/x
  3. Step 3: Cross multiply
    6,972,915x = 15,180,918 × 15,180,918
  4. Step 4: Simplify right side
    6,972,915x = 230,460,271,322,724
  5. Step 5: Solve for x
    x = 230,460,271,322,724/6,972,915
  6. Step 6: Final answer
    x = 33,050,778.81

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.