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Finding the Third Proportional to 43,290 and 93,960

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Solution

The third proportional to 43,290 and 93,960 is: 203,938.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,290 : 93,960 = 93,960 : x
  2. Step 2: Convert to fraction form
    43,290/93,960 = 93,960/x
  3. Step 3: Cross multiply
    43,290x = 93,960 × 93,960
  4. Step 4: Simplify right side
    43,290x = 8,828,481,600
  5. Step 5: Solve for x
    x = 8,828,481,600/43,290
  6. Step 6: Final answer
    x = 203,938.13

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.