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Finding the Third Proportional to 40,528.48 and 64,745.26

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Solution

The third proportional to 40,528.48 and 64,745.26 is: 103,432.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,528.48 : 64,745.26 = 64,745.26 : x
  2. Step 2: Convert to fraction form
    40,528.48/64,745.26 = 64,745.26/x
  3. Step 3: Cross multiply
    40,528.48x = 64,745.26 × 64,745.26
  4. Step 4: Simplify right side
    40,528.48x = 4,191,948,915.03
  5. Step 5: Solve for x
    x = 4,191,948,915.03/40,528.48
  6. Step 6: Final answer
    x = 103,432.19

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.