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Finding the Third Proportional to 17,762 and 27,862

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Solution

The third proportional to 17,762 and 27,862 is: 43,705.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,762 : 27,862 = 27,862 : x
  2. Step 2: Convert to fraction form
    17,762/27,862 = 27,862/x
  3. Step 3: Cross multiply
    17,762x = 27,862 × 27,862
  4. Step 4: Simplify right side
    17,762x = 776,291,044
  5. Step 5: Solve for x
    x = 776,291,044/17,762
  6. Step 6: Final answer
    x = 43,705.16

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.