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Finding the Third Proportional to 43,392 and 97,440

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Solution

The third proportional to 43,392 and 97,440 is: 218,808.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,392 : 97,440 = 97,440 : x
  2. Step 2: Convert to fraction form
    43,392/97,440 = 97,440/x
  3. Step 3: Cross multiply
    43,392x = 97,440 × 97,440
  4. Step 4: Simplify right side
    43,392x = 9,494,553,600
  5. Step 5: Solve for x
    x = 9,494,553,600/43,392
  6. Step 6: Final answer
    x = 218,808.85

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Why These Related Problems?

These problems maintain the same ratio (2.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.