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Finding the Third Proportional to 4,130,008 and 8,857,872

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Solution

The third proportional to 4,130,008 and 8,857,872 is: 18,998,001.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130,008 : 8,857,872 = 8,857,872 : x
  2. Step 2: Convert to fraction form
    4,130,008/8,857,872 = 8,857,872/x
  3. Step 3: Cross multiply
    4,130,008x = 8,857,872 × 8,857,872
  4. Step 4: Simplify right side
    4,130,008x = 78,461,896,368,384
  5. Step 5: Solve for x
    x = 78,461,896,368,384/4,130,008
  6. Step 6: Final answer
    x = 18,998,001.06

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.