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Finding the Third Proportional to 32,905.50 and 48,129

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Solution

The third proportional to 32,905.50 and 48,129 is: 70,395.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,905.50 : 48,129 = 48,129 : x
  2. Step 2: Convert to fraction form
    32,905.50/48,129 = 48,129/x
  3. Step 3: Cross multiply
    32,905.50x = 48,129 × 48,129
  4. Step 4: Simplify right side
    32,905.50x = 2,316,400,641
  5. Step 5: Solve for x
    x = 2,316,400,641/32,905.50
  6. Step 6: Final answer
    x = 70,395.55

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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.