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Finding the Third Proportional to 72,072,720 and 155,482,794

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Solution

The third proportional to 72,072,720 and 155,482,794 is: 335,423,711.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,072,720 : 155,482,794 = 155,482,794 : x
  2. Step 2: Convert to fraction form
    72,072,720/155,482,794 = 155,482,794/x
  3. Step 3: Cross multiply
    72,072,720x = 155,482,794 × 155,482,794
  4. Step 4: Simplify right side
    72,072,720x = 24,174,899,230,046,436
  5. Step 5: Solve for x
    x = 24,174,899,230,046,436/72,072,720
  6. Step 6: Final answer
    x = 335,423,711.36

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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.