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Finding the Third Proportional to 32,440 and 46,878

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Solution

The third proportional to 32,440 and 46,878 is: 67,741.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,440 : 46,878 = 46,878 : x
  2. Step 2: Convert to fraction form
    32,440/46,878 = 46,878/x
  3. Step 3: Cross multiply
    32,440x = 46,878 × 46,878
  4. Step 4: Simplify right side
    32,440x = 2,197,546,884
  5. Step 5: Solve for x
    x = 2,197,546,884/32,440
  6. Step 6: Final answer
    x = 67,741.89

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.