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Finding the Third Proportional to 61,643.63 and 92,819.81

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Solution

The third proportional to 61,643.63 and 92,819.81 is: 139,763.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,643.63 : 92,819.81 = 92,819.81 : x
  2. Step 2: Convert to fraction form
    61,643.63/92,819.81 = 92,819.81/x
  3. Step 3: Cross multiply
    61,643.63x = 92,819.81 × 92,819.81
  4. Step 4: Simplify right side
    61,643.63x = 8,615,517,592.54
  5. Step 5: Solve for x
    x = 8,615,517,592.54/61,643.63
  6. Step 6: Final answer
    x = 139,763.32

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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.