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Finding the Third Proportional to 98,963 and 207,646

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Solution

The third proportional to 98,963 and 207,646 is: 435,686.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,963 : 207,646 = 207,646 : x
  2. Step 2: Convert to fraction form
    98,963/207,646 = 207,646/x
  3. Step 3: Cross multiply
    98,963x = 207,646 × 207,646
  4. Step 4: Simplify right side
    98,963x = 43,116,861,316
  5. Step 5: Solve for x
    x = 43,116,861,316/98,963
  6. Step 6: Final answer
    x = 435,686.68

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.