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Finding the Third Proportional to 12,698,256 and 19,161,864

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Solution

The third proportional to 12,698,256 and 19,161,864 is: 28,915,548.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,698,256 : 19,161,864 = 19,161,864 : x
  2. Step 2: Convert to fraction form
    12,698,256/19,161,864 = 19,161,864/x
  3. Step 3: Cross multiply
    12,698,256x = 19,161,864 × 19,161,864
  4. Step 4: Simplify right side
    12,698,256x = 367,177,031,954,496
  5. Step 5: Solve for x
    x = 367,177,031,954,496/12,698,256
  6. Step 6: Final answer
    x = 28,915,548.08

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.