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Finding the Third Proportional to 71,040 and 156,903.75

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Solution

The third proportional to 71,040 and 156,903.75 is: 346,548.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,040 : 156,903.75 = 156,903.75 : x
  2. Step 2: Convert to fraction form
    71,040/156,903.75 = 156,903.75/x
  3. Step 3: Cross multiply
    71,040x = 156,903.75 × 156,903.75
  4. Step 4: Simplify right side
    71,040x = 24,618,786,764.06
  5. Step 5: Solve for x
    x = 24,618,786,764.06/71,040
  6. Step 6: Final answer
    x = 346,548.24

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.