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Finding the Third Proportional to 853,512 and 1,860,624

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Solution

The third proportional to 853,512 and 1,860,624 is: 4,056,090.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,512 : 1,860,624 = 1,860,624 : x
  2. Step 2: Convert to fraction form
    853,512/1,860,624 = 1,860,624/x
  3. Step 3: Cross multiply
    853,512x = 1,860,624 × 1,860,624
  4. Step 4: Simplify right side
    853,512x = 3,461,921,669,376
  5. Step 5: Solve for x
    x = 3,461,921,669,376/853,512
  6. Step 6: Final answer
    x = 4,056,090.21

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.