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Finding the Third Proportional to 11,920,428 and 25,745,872

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Solution

The third proportional to 11,920,428 and 25,745,872 is: 55,606,218.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,920,428 : 25,745,872 = 25,745,872 : x
  2. Step 2: Convert to fraction form
    11,920,428/25,745,872 = 25,745,872/x
  3. Step 3: Cross multiply
    11,920,428x = 25,745,872 × 25,745,872
  4. Step 4: Simplify right side
    11,920,428x = 662,849,925,040,384
  5. Step 5: Solve for x
    x = 662,849,925,040,384/11,920,428
  6. Step 6: Final answer
    x = 55,606,218.59

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.