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Finding the Third Proportional to 6,570 and 9,915.75

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Solution

The third proportional to 6,570 and 9,915.75 is: 14,965.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,570 : 9,915.75 = 9,915.75 : x
  2. Step 2: Convert to fraction form
    6,570/9,915.75 = 9,915.75/x
  3. Step 3: Cross multiply
    6,570x = 9,915.75 × 9,915.75
  4. Step 4: Simplify right side
    6,570x = 98,322,098.06
  5. Step 5: Solve for x
    x = 98,322,098.06/6,570
  6. Step 6: Final answer
    x = 14,965.31

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.