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Finding the Third Proportional to 5,921,428 and 12,913,758

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Solution

The third proportional to 5,921,428 and 12,913,758 is: 28,162,994.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921,428 : 12,913,758 = 12,913,758 : x
  2. Step 2: Convert to fraction form
    5,921,428/12,913,758 = 12,913,758/x
  3. Step 3: Cross multiply
    5,921,428x = 12,913,758 × 12,913,758
  4. Step 4: Simplify right side
    5,921,428x = 166,765,145,682,564
  5. Step 5: Solve for x
    x = 166,765,145,682,564/5,921,428
  6. Step 6: Final answer
    x = 28,162,994.75

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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.