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Finding the Third Proportional to 74,739.38 and 163,495.13

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Solution

The third proportional to 74,739.38 and 163,495.13 is: 357,651.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,739.38 : 163,495.13 = 163,495.13 : x
  2. Step 2: Convert to fraction form
    74,739.38/163,495.13 = 163,495.13/x
  3. Step 3: Cross multiply
    74,739.38x = 163,495.13 × 163,495.13
  4. Step 4: Simplify right side
    74,739.38x = 26,730,655,898.77
  5. Step 5: Solve for x
    x = 26,730,655,898.77/74,739.38
  6. Step 6: Final answer
    x = 357,651.58

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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.