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Finding the Third Proportional to 8,103,810 and 19,129,368

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Solution

The third proportional to 8,103,810 and 19,129,368 is: 45,155,639.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103,810 : 19,129,368 = 19,129,368 : x
  2. Step 2: Convert to fraction form
    8,103,810/19,129,368 = 19,129,368/x
  3. Step 3: Cross multiply
    8,103,810x = 19,129,368 × 19,129,368
  4. Step 4: Simplify right side
    8,103,810x = 365,932,720,079,424
  5. Step 5: Solve for x
    x = 365,932,720,079,424/8,103,810
  6. Step 6: Final answer
    x = 45,155,639.15

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.