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Finding the Third Proportional to 108,120 and 162,018

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Solution

The third proportional to 108,120 and 162,018 is: 242,784.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,120 : 162,018 = 162,018 : x
  2. Step 2: Convert to fraction form
    108,120/162,018 = 162,018/x
  3. Step 3: Cross multiply
    108,120x = 162,018 × 162,018
  4. Step 4: Simplify right side
    108,120x = 26,249,832,324
  5. Step 5: Solve for x
    x = 26,249,832,324/108,120
  6. Step 6: Final answer
    x = 242,784.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.