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Finding the Third Proportional to 7,120,517 and 11,032,608

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Solution

The third proportional to 7,120,517 and 11,032,608 is: 17,094,045.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120,517 : 11,032,608 = 11,032,608 : x
  2. Step 2: Convert to fraction form
    7,120,517/11,032,608 = 11,032,608/x
  3. Step 3: Cross multiply
    7,120,517x = 11,032,608 × 11,032,608
  4. Step 4: Simplify right side
    7,120,517x = 121,718,439,281,664
  5. Step 5: Solve for x
    x = 121,718,439,281,664/7,120,517
  6. Step 6: Final answer
    x = 17,094,045.18

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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.