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Finding the Third Proportional to 7,657,672 and 11,855,752

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Solution

The third proportional to 7,657,672 and 11,855,752 is: 18,355,298.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,657,672 : 11,855,752 = 11,855,752 : x
  2. Step 2: Convert to fraction form
    7,657,672/11,855,752 = 11,855,752/x
  3. Step 3: Cross multiply
    7,657,672x = 11,855,752 × 11,855,752
  4. Step 4: Simplify right side
    7,657,672x = 140,558,855,485,504
  5. Step 5: Solve for x
    x = 140,558,855,485,504/7,657,672
  6. Step 6: Final answer
    x = 18,355,298.51

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.