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Finding the Third Proportional to 64,577.25 and 141,615

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Solution

The third proportional to 64,577.25 and 141,615 is: 310,555.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,577.25 : 141,615 = 141,615 : x
  2. Step 2: Convert to fraction form
    64,577.25/141,615 = 141,615/x
  3. Step 3: Cross multiply
    64,577.25x = 141,615 × 141,615
  4. Step 4: Simplify right side
    64,577.25x = 20,054,808,225
  5. Step 5: Solve for x
    x = 20,054,808,225/64,577.25
  6. Step 6: Final answer
    x = 310,555.32

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.