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Finding the Third Proportional to 105,073.50 and 157,239

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Solution

The third proportional to 105,073.50 and 157,239 is: 235,302.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,073.50 : 157,239 = 157,239 : x
  2. Step 2: Convert to fraction form
    105,073.50/157,239 = 157,239/x
  3. Step 3: Cross multiply
    105,073.50x = 157,239 × 157,239
  4. Step 4: Simplify right side
    105,073.50x = 24,724,103,121
  5. Step 5: Solve for x
    x = 24,724,103,121/105,073.50
  6. Step 6: Final answer
    x = 235,302.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.