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Finding the Third Proportional to 7,072,160 and 10,876,720

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Solution

The third proportional to 7,072,160 and 10,876,720 is: 16,727,992.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072,160 : 10,876,720 = 10,876,720 : x
  2. Step 2: Convert to fraction form
    7,072,160/10,876,720 = 10,876,720/x
  3. Step 3: Cross multiply
    7,072,160x = 10,876,720 × 10,876,720
  4. Step 4: Simplify right side
    7,072,160x = 118,303,037,958,400
  5. Step 5: Solve for x
    x = 118,303,037,958,400/7,072,160
  6. Step 6: Final answer
    x = 16,727,992.29

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.