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Finding the Third Proportional to 5,921,213 and 12,956,866

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Solution

The third proportional to 5,921,213 and 12,956,866 is: 28,352,362.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921,213 : 12,956,866 = 12,956,866 : x
  2. Step 2: Convert to fraction form
    5,921,213/12,956,866 = 12,956,866/x
  3. Step 3: Cross multiply
    5,921,213x = 12,956,866 × 12,956,866
  4. Step 4: Simplify right side
    5,921,213x = 167,880,376,541,956
  5. Step 5: Solve for x
    x = 167,880,376,541,956/5,921,213
  6. Step 6: Final answer
    x = 28,352,362.35

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.