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Finding the Third Proportional to 163,078.73 and 330,539.06

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Solution

The third proportional to 163,078.73 and 330,539.06 is: 669,959.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,078.73 : 330,539.06 = 330,539.06 : x
  2. Step 2: Convert to fraction form
    163,078.73/330,539.06 = 330,539.06/x
  3. Step 3: Cross multiply
    163,078.73x = 330,539.06 × 330,539.06
  4. Step 4: Simplify right side
    163,078.73x = 109,256,071,838.38
  5. Step 5: Solve for x
    x = 109,256,071,838.38/163,078.73
  6. Step 6: Final answer
    x = 669,959.04

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.