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Finding the Third Proportional to 8,864,889 and 19,411,278

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Solution

The third proportional to 8,864,889 and 19,411,278 is: 42,504,504.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864,889 : 19,411,278 = 19,411,278 : x
  2. Step 2: Convert to fraction form
    8,864,889/19,411,278 = 19,411,278/x
  3. Step 3: Cross multiply
    8,864,889x = 19,411,278 × 19,411,278
  4. Step 4: Simplify right side
    8,864,889x = 376,797,713,593,284
  5. Step 5: Solve for x
    x = 376,797,713,593,284/8,864,889
  6. Step 6: Final answer
    x = 42,504,504.41

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.