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Finding the Third Proportional to 9,172,876.50 and 19,959,894

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Solution

The third proportional to 9,172,876.50 and 19,959,894 is: 43,432,108.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172,876.50 : 19,959,894 = 19,959,894 : x
  2. Step 2: Convert to fraction form
    9,172,876.50/19,959,894 = 19,959,894/x
  3. Step 3: Cross multiply
    9,172,876.50x = 19,959,894 × 19,959,894
  4. Step 4: Simplify right side
    9,172,876.50x = 398,397,368,491,236
  5. Step 5: Solve for x
    x = 398,397,368,491,236/9,172,876.50
  6. Step 6: Final answer
    x = 43,432,108.62

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.