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Finding the Third Proportional to 29,942 and 64,804

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Solution

The third proportional to 29,942 and 64,804 is: 140,256.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,942 : 64,804 = 64,804 : x
  2. Step 2: Convert to fraction form
    29,942/64,804 = 64,804/x
  3. Step 3: Cross multiply
    29,942x = 64,804 × 64,804
  4. Step 4: Simplify right side
    29,942x = 4,199,558,416
  5. Step 5: Solve for x
    x = 4,199,558,416/29,942
  6. Step 6: Final answer
    x = 140,256.44

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.