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Finding the Third Proportional to 116,442 and 180,354

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Solution

The third proportional to 116,442 and 180,354 is: 279,345.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,442 : 180,354 = 180,354 : x
  2. Step 2: Convert to fraction form
    116,442/180,354 = 180,354/x
  3. Step 3: Cross multiply
    116,442x = 180,354 × 180,354
  4. Step 4: Simplify right side
    116,442x = 32,527,565,316
  5. Step 5: Solve for x
    x = 32,527,565,316/116,442
  6. Step 6: Final answer
    x = 279,345.64

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.