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Finding the Third Proportional to 7,685,550 and 16,558,722

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Solution

The third proportional to 7,685,550 and 16,558,722 is: 35,676,207.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685,550 : 16,558,722 = 16,558,722 : x
  2. Step 2: Convert to fraction form
    7,685,550/16,558,722 = 16,558,722/x
  3. Step 3: Cross multiply
    7,685,550x = 16,558,722 × 16,558,722
  4. Step 4: Simplify right side
    7,685,550x = 274,191,274,273,284
  5. Step 5: Solve for x
    x = 274,191,274,273,284/7,685,550
  6. Step 6: Final answer
    x = 35,676,207.20

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.