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Finding the Third Proportional to 109,156 and 163,060

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Solution

The third proportional to 109,156 and 163,060 is: 243,583.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,156 : 163,060 = 163,060 : x
  2. Step 2: Convert to fraction form
    109,156/163,060 = 163,060/x
  3. Step 3: Cross multiply
    109,156x = 163,060 × 163,060
  4. Step 4: Simplify right side
    109,156x = 26,588,563,600
  5. Step 5: Solve for x
    x = 26,588,563,600/109,156
  6. Step 6: Final answer
    x = 243,583.16

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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.