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Finding the Third Proportional to 4,319 and 9,133

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Solution

The third proportional to 4,319 and 9,133 is: 19,312.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319 : 9,133 = 9,133 : x
  2. Step 2: Convert to fraction form
    4,319/9,133 = 9,133/x
  3. Step 3: Cross multiply
    4,319x = 9,133 × 9,133
  4. Step 4: Simplify right side
    4,319x = 83,411,689
  5. Step 5: Solve for x
    x = 83,411,689/4,319
  6. Step 6: Final answer
    x = 19,312.73

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.