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Finding the Third Proportional to 7,518,722 and 11,280,387

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Solution

The third proportional to 7,518,722 and 11,280,387 is: 16,924,037.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518,722 : 11,280,387 = 11,280,387 : x
  2. Step 2: Convert to fraction form
    7,518,722/11,280,387 = 11,280,387/x
  3. Step 3: Cross multiply
    7,518,722x = 11,280,387 × 11,280,387
  4. Step 4: Simplify right side
    7,518,722x = 127,247,130,869,769
  5. Step 5: Solve for x
    x = 127,247,130,869,769/7,518,722
  6. Step 6: Final answer
    x = 16,924,037.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.