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Finding the Third Proportional to 32,913 and 72,069.75

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Solution

The third proportional to 32,913 and 72,069.75 is: 157,811.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,913 : 72,069.75 = 72,069.75 : x
  2. Step 2: Convert to fraction form
    32,913/72,069.75 = 72,069.75/x
  3. Step 3: Cross multiply
    32,913x = 72,069.75 × 72,069.75
  4. Step 4: Simplify right side
    32,913x = 5,194,048,865.06
  5. Step 5: Solve for x
    x = 5,194,048,865.06/32,913
  6. Step 6: Final answer
    x = 157,811.47

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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.