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Finding the Third Proportional to 109,748 and 163,900

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Solution

The third proportional to 109,748 and 163,900 is: 244,771.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,748 : 163,900 = 163,900 : x
  2. Step 2: Convert to fraction form
    109,748/163,900 = 163,900/x
  3. Step 3: Cross multiply
    109,748x = 163,900 × 163,900
  4. Step 4: Simplify right side
    109,748x = 26,863,210,000
  5. Step 5: Solve for x
    x = 26,863,210,000/109,748
  6. Step 6: Final answer
    x = 244,771.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.