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Finding the Third Proportional to 64,068.75 and 140,206.50

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Solution

The third proportional to 64,068.75 and 140,206.50 is: 306,824.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,068.75 : 140,206.50 = 140,206.50 : x
  2. Step 2: Convert to fraction form
    64,068.75/140,206.50 = 140,206.50/x
  3. Step 3: Cross multiply
    64,068.75x = 140,206.50 × 140,206.50
  4. Step 4: Simplify right side
    64,068.75x = 19,657,862,642.25
  5. Step 5: Solve for x
    x = 19,657,862,642.25/64,068.75
  6. Step 6: Final answer
    x = 306,824.51

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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.