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Finding the Third Proportional to 9,143.63 and 13,655.63

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Solution

The third proportional to 9,143.63 and 13,655.63 is: 20,394.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.63 : 13,655.63 = 13,655.63 : x
  2. Step 2: Convert to fraction form
    9,143.63/13,655.63 = 13,655.63/x
  3. Step 3: Cross multiply
    9,143.63x = 13,655.63 × 13,655.63
  4. Step 4: Simplify right side
    9,143.63x = 186,476,094.14
  5. Step 5: Solve for x
    x = 186,476,094.14/9,143.63
  6. Step 6: Final answer
    x = 20,394.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.