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Finding the Third Proportional to 64,852.88 and 142,007.63

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Solution

The third proportional to 64,852.88 and 142,007.63 is: 310,952.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,852.88 : 142,007.63 = 142,007.63 : x
  2. Step 2: Convert to fraction form
    64,852.88/142,007.63 = 142,007.63/x
  3. Step 3: Cross multiply
    64,852.88x = 142,007.63 × 142,007.63
  4. Step 4: Simplify right side
    64,852.88x = 20,166,165,558.14
  5. Step 5: Solve for x
    x = 20,166,165,558.14/64,852.88
  6. Step 6: Final answer
    x = 310,952.53

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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.