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Finding the Third Proportional to 7,906 and 14,540

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Solution

The third proportional to 7,906 and 14,540 is: 26,740.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,906 : 14,540 = 14,540 : x
  2. Step 2: Convert to fraction form
    7,906/14,540 = 14,540/x
  3. Step 3: Cross multiply
    7,906x = 14,540 × 14,540
  4. Step 4: Simplify right side
    7,906x = 211,411,600
  5. Step 5: Solve for x
    x = 211,411,600/7,906
  6. Step 6: Final answer
    x = 26,740.65

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Why These Related Problems?

These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.