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Finding the Third Proportional to 5,920,215 and 12,947,601

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Solution

The third proportional to 5,920,215 and 12,947,601 is: 28,316,601.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920,215 : 12,947,601 = 12,947,601 : x
  2. Step 2: Convert to fraction form
    5,920,215/12,947,601 = 12,947,601/x
  3. Step 3: Cross multiply
    5,920,215x = 12,947,601 × 12,947,601
  4. Step 4: Simplify right side
    5,920,215x = 167,640,371,655,201
  5. Step 5: Solve for x
    x = 167,640,371,655,201/5,920,215
  6. Step 6: Final answer
    x = 28,316,601.96

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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.