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Finding the Third Proportional to 46,672 and 99,100

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Solution

The third proportional to 46,672 and 99,100 is: 210,421.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,672 : 99,100 = 99,100 : x
  2. Step 2: Convert to fraction form
    46,672/99,100 = 99,100/x
  3. Step 3: Cross multiply
    46,672x = 99,100 × 99,100
  4. Step 4: Simplify right side
    46,672x = 9,820,810,000
  5. Step 5: Solve for x
    x = 9,820,810,000/46,672
  6. Step 6: Final answer
    x = 210,421.88

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.