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Finding the Third Proportional to 7,120,515 and 11,032,605

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Solution

The third proportional to 7,120,515 and 11,032,605 is: 17,094,040.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120,515 : 11,032,605 = 11,032,605 : x
  2. Step 2: Convert to fraction form
    7,120,515/11,032,605 = 11,032,605/x
  3. Step 3: Cross multiply
    7,120,515x = 11,032,605 × 11,032,605
  4. Step 4: Simplify right side
    7,120,515x = 121,718,373,086,025
  5. Step 5: Solve for x
    x = 121,718,373,086,025/7,120,515
  6. Step 6: Final answer
    x = 17,094,040.68

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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.