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Finding the Third Proportional to 71,502.75 and 105,063.75

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Solution

The third proportional to 71,502.75 and 105,063.75 is: 154,377.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,502.75 : 105,063.75 = 105,063.75 : x
  2. Step 2: Convert to fraction form
    71,502.75/105,063.75 = 105,063.75/x
  3. Step 3: Cross multiply
    71,502.75x = 105,063.75 × 105,063.75
  4. Step 4: Simplify right side
    71,502.75x = 11,038,391,564.06
  5. Step 5: Solve for x
    x = 11,038,391,564.06/71,502.75
  6. Step 6: Final answer
    x = 154,377.16

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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.