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Finding the Third Proportional to 71,925.75 and 105,274.13

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Solution

The third proportional to 71,925.75 and 105,274.13 is: 154,084.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,925.75 : 105,274.13 = 105,274.13 : x
  2. Step 2: Convert to fraction form
    71,925.75/105,274.13 = 105,274.13/x
  3. Step 3: Cross multiply
    71,925.75x = 105,274.13 × 105,274.13
  4. Step 4: Simplify right side
    71,925.75x = 11,082,641,394.52
  5. Step 5: Solve for x
    x = 11,082,641,394.52/71,925.75
  6. Step 6: Final answer
    x = 154,084.47

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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.