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Finding the Third Proportional to 40,074 and 53,541

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Solution

The third proportional to 40,074 and 53,541 is: 71,533.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,074 : 53,541 = 53,541 : x
  2. Step 2: Convert to fraction form
    40,074/53,541 = 53,541/x
  3. Step 3: Cross multiply
    40,074x = 53,541 × 53,541
  4. Step 4: Simplify right side
    40,074x = 2,866,638,681
  5. Step 5: Solve for x
    x = 2,866,638,681/40,074
  6. Step 6: Final answer
    x = 71,533.63

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.