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Finding the Third Proportional to 97,216 and 139,018

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Solution

The third proportional to 97,216 and 139,018 is: 198,794.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,216 : 139,018 = 139,018 : x
  2. Step 2: Convert to fraction form
    97,216/139,018 = 139,018/x
  3. Step 3: Cross multiply
    97,216x = 139,018 × 139,018
  4. Step 4: Simplify right side
    97,216x = 19,326,004,324
  5. Step 5: Solve for x
    x = 19,326,004,324/97,216
  6. Step 6: Final answer
    x = 198,794.48

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.