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Finding the Third Proportional to 6,988,920 and 14,949,416

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Solution

The third proportional to 6,988,920 and 14,949,416 is: 31,977,049.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988,920 : 14,949,416 = 14,949,416 : x
  2. Step 2: Convert to fraction form
    6,988,920/14,949,416 = 14,949,416/x
  3. Step 3: Cross multiply
    6,988,920x = 14,949,416 × 14,949,416
  4. Step 4: Simplify right side
    6,988,920x = 223,485,038,741,056
  5. Step 5: Solve for x
    x = 223,485,038,741,056/6,988,920
  6. Step 6: Final answer
    x = 31,977,049.21

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.