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Finding the Third Proportional to 43,040 and 94,780

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Solution

The third proportional to 43,040 and 94,780 is: 208,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,040 : 94,780 = 94,780 : x
  2. Step 2: Convert to fraction form
    43,040/94,780 = 94,780/x
  3. Step 3: Cross multiply
    43,040x = 94,780 × 94,780
  4. Step 4: Simplify right side
    43,040x = 8,983,248,400
  5. Step 5: Solve for x
    x = 8,983,248,400/43,040
  6. Step 6: Final answer
    x = 208,718.60

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.