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Finding the Third Proportional to 74,421.28 and 112,324.22

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Solution

The third proportional to 74,421.28 and 112,324.22 is: 169,531.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,421.28 : 112,324.22 = 112,324.22 : x
  2. Step 2: Convert to fraction form
    74,421.28/112,324.22 = 112,324.22/x
  3. Step 3: Cross multiply
    74,421.28x = 112,324.22 × 112,324.22
  4. Step 4: Simplify right side
    74,421.28x = 12,616,730,117.80
  5. Step 5: Solve for x
    x = 12,616,730,117.80/74,421.28
  6. Step 6: Final answer
    x = 169,531.21

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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.