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Finding the Third Proportional to 32,130 and 47,907

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Solution

The third proportional to 32,130 and 47,907 is: 71,431.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,130 : 47,907 = 47,907 : x
  2. Step 2: Convert to fraction form
    32,130/47,907 = 47,907/x
  3. Step 3: Cross multiply
    32,130x = 47,907 × 47,907
  4. Step 4: Simplify right side
    32,130x = 2,295,080,649
  5. Step 5: Solve for x
    x = 2,295,080,649/32,130
  6. Step 6: Final answer
    x = 71,431.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.