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Finding the Third Proportional to 64,860.75 and 140,792.63

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Solution

The third proportional to 64,860.75 and 140,792.63 is: 305,617.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,860.75 : 140,792.63 = 140,792.63 : x
  2. Step 2: Convert to fraction form
    64,860.75/140,792.63 = 140,792.63/x
  3. Step 3: Cross multiply
    64,860.75x = 140,792.63 × 140,792.63
  4. Step 4: Simplify right side
    64,860.75x = 19,822,563,254.39
  5. Step 5: Solve for x
    x = 19,822,563,254.39/64,860.75
  6. Step 6: Final answer
    x = 305,617.24

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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.