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Finding the Third Proportional to 30,597.75 and 47,280.38

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Solution

The third proportional to 30,597.75 and 47,280.38 is: 73,058.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,597.75 : 47,280.38 = 47,280.38 : x
  2. Step 2: Convert to fraction form
    30,597.75/47,280.38 = 47,280.38/x
  3. Step 3: Cross multiply
    30,597.75x = 47,280.38 × 47,280.38
  4. Step 4: Simplify right side
    30,597.75x = 2,235,433,860.14
  5. Step 5: Solve for x
    x = 2,235,433,860.14/30,597.75
  6. Step 6: Final answer
    x = 73,058.77

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.