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Finding the Third Proportional to 51,871.50 and 75,537

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Solution

The third proportional to 51,871.50 and 75,537 is: 109,999.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,871.50 : 75,537 = 75,537 : x
  2. Step 2: Convert to fraction form
    51,871.50/75,537 = 75,537/x
  3. Step 3: Cross multiply
    51,871.50x = 75,537 × 75,537
  4. Step 4: Simplify right side
    51,871.50x = 5,705,838,369
  5. Step 5: Solve for x
    x = 5,705,838,369/51,871.50
  6. Step 6: Final answer
    x = 109,999.49

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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.