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Finding the Third Proportional to 65,925 and 102,159

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Solution

The third proportional to 65,925 and 102,159 is: 158,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,925 : 102,159 = 102,159 : x
  2. Step 2: Convert to fraction form
    65,925/102,159 = 102,159/x
  3. Step 3: Cross multiply
    65,925x = 102,159 × 102,159
  4. Step 4: Simplify right side
    65,925x = 10,436,461,281
  5. Step 5: Solve for x
    x = 10,436,461,281/65,925
  6. Step 6: Final answer
    x = 158,308.10

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.