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Finding the Third Proportional to 28,973 and 43,702

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Solution

The third proportional to 28,973 and 43,702 is: 65,918.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973 : 43,702 = 43,702 : x
  2. Step 2: Convert to fraction form
    28,973/43,702 = 43,702/x
  3. Step 3: Cross multiply
    28,973x = 43,702 × 43,702
  4. Step 4: Simplify right side
    28,973x = 1,909,864,804
  5. Step 5: Solve for x
    x = 1,909,864,804/28,973
  6. Step 6: Final answer
    x = 65,918.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.