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Finding the Third Proportional to 154,854 and 165,798

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Solution

The third proportional to 154,854 and 165,798 is: 177,515.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,854 : 165,798 = 165,798 : x
  2. Step 2: Convert to fraction form
    154,854/165,798 = 165,798/x
  3. Step 3: Cross multiply
    154,854x = 165,798 × 165,798
  4. Step 4: Simplify right side
    154,854x = 27,488,976,804
  5. Step 5: Solve for x
    x = 27,488,976,804/154,854
  6. Step 6: Final answer
    x = 177,515.45

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Why These Related Problems?

These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.