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Finding the Third Proportional to 64,020 and 96,915

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Solution

The third proportional to 64,020 and 96,915 is: 146,712.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,020 : 96,915 = 96,915 : x
  2. Step 2: Convert to fraction form
    64,020/96,915 = 96,915/x
  3. Step 3: Cross multiply
    64,020x = 96,915 × 96,915
  4. Step 4: Simplify right side
    64,020x = 9,392,517,225
  5. Step 5: Solve for x
    x = 9,392,517,225/64,020
  6. Step 6: Final answer
    x = 146,712.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.