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Finding the Third Proportional to 64,536.75 and 94,689

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Solution

The third proportional to 64,536.75 and 94,689 is: 138,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,536.75 : 94,689 = 94,689 : x
  2. Step 2: Convert to fraction form
    64,536.75/94,689 = 94,689/x
  3. Step 3: Cross multiply
    64,536.75x = 94,689 × 94,689
  4. Step 4: Simplify right side
    64,536.75x = 8,966,006,721
  5. Step 5: Solve for x
    x = 8,966,006,721/64,536.75
  6. Step 6: Final answer
    x = 138,928.70

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.