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Finding the Third Proportional to 74,894 and 163,854

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Solution

The third proportional to 74,894 and 163,854 is: 358,481.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,894 : 163,854 = 163,854 : x
  2. Step 2: Convert to fraction form
    74,894/163,854 = 163,854/x
  3. Step 3: Cross multiply
    74,894x = 163,854 × 163,854
  4. Step 4: Simplify right side
    74,894x = 26,848,133,316
  5. Step 5: Solve for x
    x = 26,848,133,316/74,894
  6. Step 6: Final answer
    x = 358,481.77

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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.