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Finding the Third Proportional to 74,484.56 and 112,422.94

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Solution

The third proportional to 74,484.56 and 112,422.94 is: 169,685.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,484.56 : 112,422.94 = 112,422.94 : x
  2. Step 2: Convert to fraction form
    74,484.56/112,422.94 = 112,422.94/x
  3. Step 3: Cross multiply
    74,484.56x = 112,422.94 × 112,422.94
  4. Step 4: Simplify right side
    74,484.56x = 12,638,916,876.13
  5. Step 5: Solve for x
    x = 12,638,916,876.13/74,484.56
  6. Step 6: Final answer
    x = 169,685.05

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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.