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Finding the Third Proportional to 4,066,272 and 8,551,888

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Solution

The third proportional to 4,066,272 and 8,551,888 is: 17,985,709.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,066,272 : 8,551,888 = 8,551,888 : x
  2. Step 2: Convert to fraction form
    4,066,272/8,551,888 = 8,551,888/x
  3. Step 3: Cross multiply
    4,066,272x = 8,551,888 × 8,551,888
  4. Step 4: Simplify right side
    4,066,272x = 73,134,788,364,544
  5. Step 5: Solve for x
    x = 73,134,788,364,544/4,066,272
  6. Step 6: Final answer
    x = 17,985,709.85

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.