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Finding the Third Proportional to 7,066,872 and 11,020,212

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Solution

The third proportional to 7,066,872 and 11,020,212 is: 17,185,124.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,066,872 : 11,020,212 = 11,020,212 : x
  2. Step 2: Convert to fraction form
    7,066,872/11,020,212 = 11,020,212/x
  3. Step 3: Cross multiply
    7,066,872x = 11,020,212 × 11,020,212
  4. Step 4: Simplify right side
    7,066,872x = 121,445,072,524,944
  5. Step 5: Solve for x
    x = 121,445,072,524,944/7,066,872
  6. Step 6: Final answer
    x = 17,185,124.13

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.