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Finding the Third Proportional to 9,090 and 13,347

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Solution

The third proportional to 9,090 and 13,347 is: 19,597.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090 : 13,347 = 13,347 : x
  2. Step 2: Convert to fraction form
    9,090/13,347 = 13,347/x
  3. Step 3: Cross multiply
    9,090x = 13,347 × 13,347
  4. Step 4: Simplify right side
    9,090x = 178,142,409
  5. Step 5: Solve for x
    x = 178,142,409/9,090
  6. Step 6: Final answer
    x = 19,597.62

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.