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Finding the Third Proportional to 112,403.25 and 169,347.38

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Solution

The third proportional to 112,403.25 and 169,347.38 is: 255,139.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,403.25 : 169,347.38 = 169,347.38 : x
  2. Step 2: Convert to fraction form
    112,403.25/169,347.38 = 169,347.38/x
  3. Step 3: Cross multiply
    112,403.25x = 169,347.38 × 169,347.38
  4. Step 4: Simplify right side
    112,403.25x = 28,678,533,419.39
  5. Step 5: Solve for x
    x = 28,678,533,419.39/112,403.25
  6. Step 6: Final answer
    x = 255,139.72

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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.