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Finding the Third Proportional to 74,939.63 and 163,867.13

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Solution

The third proportional to 74,939.63 and 163,867.13 is: 358,320.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,939.63 : 163,867.13 = 163,867.13 : x
  2. Step 2: Convert to fraction form
    74,939.63/163,867.13 = 163,867.13/x
  3. Step 3: Cross multiply
    74,939.63x = 163,867.13 × 163,867.13
  4. Step 4: Simplify right side
    74,939.63x = 26,852,434,655.77
  5. Step 5: Solve for x
    x = 26,852,434,655.77/74,939.63
  6. Step 6: Final answer
    x = 358,320.91

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.