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Finding the Third Proportional to 53,374.50 and 115,515

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Solution

The third proportional to 53,374.50 and 115,515 is: 250,001.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,374.50 : 115,515 = 115,515 : x
  2. Step 2: Convert to fraction form
    53,374.50/115,515 = 115,515/x
  3. Step 3: Cross multiply
    53,374.50x = 115,515 × 115,515
  4. Step 4: Simplify right side
    53,374.50x = 13,343,715,225
  5. Step 5: Solve for x
    x = 13,343,715,225/53,374.50
  6. Step 6: Final answer
    x = 250,001.69

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.