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Finding the Third Proportional to 63,639.84 and 94,358.25

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Solution

The third proportional to 63,639.84 and 94,358.25 is: 139,904.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,639.84 : 94,358.25 = 94,358.25 : x
  2. Step 2: Convert to fraction form
    63,639.84/94,358.25 = 94,358.25/x
  3. Step 3: Cross multiply
    63,639.84x = 94,358.25 × 94,358.25
  4. Step 4: Simplify right side
    63,639.84x = 8,903,479,343.06
  5. Step 5: Solve for x
    x = 8,903,479,343.06/63,639.84
  6. Step 6: Final answer
    x = 139,904.17

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.