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Finding the Third Proportional to 28,798 and 61,969

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Solution

The third proportional to 28,798 and 61,969 is: 133,348.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,798 : 61,969 = 61,969 : x
  2. Step 2: Convert to fraction form
    28,798/61,969 = 61,969/x
  3. Step 3: Cross multiply
    28,798x = 61,969 × 61,969
  4. Step 4: Simplify right side
    28,798x = 3,840,156,961
  5. Step 5: Solve for x
    x = 3,840,156,961/28,798
  6. Step 6: Final answer
    x = 133,348.04

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.