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Finding the Third Proportional to 74,019.66 and 162,798.19

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Solution

The third proportional to 74,019.66 and 162,798.19 is: 358,056.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,019.66 : 162,798.19 = 162,798.19 : x
  2. Step 2: Convert to fraction form
    74,019.66/162,798.19 = 162,798.19/x
  3. Step 3: Cross multiply
    74,019.66x = 162,798.19 × 162,798.19
  4. Step 4: Simplify right side
    74,019.66x = 26,503,249,853.29
  5. Step 5: Solve for x
    x = 26,503,249,853.29/74,019.66
  6. Step 6: Final answer
    x = 358,056.92

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.