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Finding the Third Proportional to 102,124 and 220,646

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Solution

The third proportional to 102,124 and 220,646 is: 476,721.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,124 : 220,646 = 220,646 : x
  2. Step 2: Convert to fraction form
    102,124/220,646 = 220,646/x
  3. Step 3: Cross multiply
    102,124x = 220,646 × 220,646
  4. Step 4: Simplify right side
    102,124x = 48,684,657,316
  5. Step 5: Solve for x
    x = 48,684,657,316/102,124
  6. Step 6: Final answer
    x = 476,721.02

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.