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Finding the Third Proportional to 87,020 and 190,018

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Solution

The third proportional to 87,020 and 190,018 is: 414,925.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,020 : 190,018 = 190,018 : x
  2. Step 2: Convert to fraction form
    87,020/190,018 = 190,018/x
  3. Step 3: Cross multiply
    87,020x = 190,018 × 190,018
  4. Step 4: Simplify right side
    87,020x = 36,106,840,324
  5. Step 5: Solve for x
    x = 36,106,840,324/87,020
  6. Step 6: Final answer
    x = 414,925.77

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.