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Finding the Third Proportional to 12,943 and 19,713

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Solution

The third proportional to 12,943 and 19,713 is: 30,024.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,943 : 19,713 = 19,713 : x
  2. Step 2: Convert to fraction form
    12,943/19,713 = 19,713/x
  3. Step 3: Cross multiply
    12,943x = 19,713 × 19,713
  4. Step 4: Simplify right side
    12,943x = 388,602,369
  5. Step 5: Solve for x
    x = 388,602,369/12,943
  6. Step 6: Final answer
    x = 30,024.13

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.