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Finding the Third Proportional to 7,465 and 9,960

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Solution

The third proportional to 7,465 and 9,960 is: 13,288.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,465 : 9,960 = 9,960 : x
  2. Step 2: Convert to fraction form
    7,465/9,960 = 9,960/x
  3. Step 3: Cross multiply
    7,465x = 9,960 × 9,960
  4. Step 4: Simplify right side
    7,465x = 99,201,600
  5. Step 5: Solve for x
    x = 99,201,600/7,465
  6. Step 6: Final answer
    x = 13,288.89

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.