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Finding the Third Proportional to 42,798.75 and 64,329.75

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Solution

The third proportional to 42,798.75 and 64,329.75 is: 96,692.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,798.75 : 64,329.75 = 64,329.75 : x
  2. Step 2: Convert to fraction form
    42,798.75/64,329.75 = 64,329.75/x
  3. Step 3: Cross multiply
    42,798.75x = 64,329.75 × 64,329.75
  4. Step 4: Simplify right side
    42,798.75x = 4,138,316,735.06
  5. Step 5: Solve for x
    x = 4,138,316,735.06/42,798.75
  6. Step 6: Final answer
    x = 96,692.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.