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Finding the Third Proportional to 3,186,432 and 6,879,960

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Solution

The third proportional to 3,186,432 and 6,879,960 is: 14,854,812.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,432 : 6,879,960 = 6,879,960 : x
  2. Step 2: Convert to fraction form
    3,186,432/6,879,960 = 6,879,960/x
  3. Step 3: Cross multiply
    3,186,432x = 6,879,960 × 6,879,960
  4. Step 4: Simplify right side
    3,186,432x = 47,333,849,601,600
  5. Step 5: Solve for x
    x = 47,333,849,601,600/3,186,432
  6. Step 6: Final answer
    x = 14,854,812.41

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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.