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Finding the Third Proportional to 53,742.75 and 116,688.75

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Solution

The third proportional to 53,742.75 and 116,688.75 is: 253,360.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,742.75 : 116,688.75 = 116,688.75 : x
  2. Step 2: Convert to fraction form
    53,742.75/116,688.75 = 116,688.75/x
  3. Step 3: Cross multiply
    53,742.75x = 116,688.75 × 116,688.75
  4. Step 4: Simplify right side
    53,742.75x = 13,616,264,376.56
  5. Step 5: Solve for x
    x = 13,616,264,376.56/53,742.75
  6. Step 6: Final answer
    x = 253,360.02

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.