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Finding the Third Proportional to 64,619.50 and 94,423

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Solution

The third proportional to 64,619.50 and 94,423 is: 137,972.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,619.50 : 94,423 = 94,423 : x
  2. Step 2: Convert to fraction form
    64,619.50/94,423 = 94,423/x
  3. Step 3: Cross multiply
    64,619.50x = 94,423 × 94,423
  4. Step 4: Simplify right side
    64,619.50x = 8,915,702,929
  5. Step 5: Solve for x
    x = 8,915,702,929/64,619.50
  6. Step 6: Final answer
    x = 137,972.33

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.