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Finding the Third Proportional to 6,345 and 13,432.50

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Solution

The third proportional to 6,345 and 13,432.50 is: 28,436.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345 : 13,432.50 = 13,432.50 : x
  2. Step 2: Convert to fraction form
    6,345/13,432.50 = 13,432.50/x
  3. Step 3: Cross multiply
    6,345x = 13,432.50 × 13,432.50
  4. Step 4: Simplify right side
    6,345x = 180,432,056.25
  5. Step 5: Solve for x
    x = 180,432,056.25/6,345
  6. Step 6: Final answer
    x = 28,436.89

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.