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Finding the Third Proportional to 28,097 and 63,989

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Solution

The third proportional to 28,097 and 63,989 is: 145,730.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,097 : 63,989 = 63,989 : x
  2. Step 2: Convert to fraction form
    28,097/63,989 = 63,989/x
  3. Step 3: Cross multiply
    28,097x = 63,989 × 63,989
  4. Step 4: Simplify right side
    28,097x = 4,094,592,121
  5. Step 5: Solve for x
    x = 4,094,592,121/28,097
  6. Step 6: Final answer
    x = 145,730.58

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Why These Related Problems?

These problems maintain the same ratio (2.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.