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Finding the Third Proportional to 172,673.44 and 353,905.88

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Solution

The third proportional to 172,673.44 and 353,905.88 is: 725,354.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,673.44 : 353,905.88 = 353,905.88 : x
  2. Step 2: Convert to fraction form
    172,673.44/353,905.88 = 353,905.88/x
  3. Step 3: Cross multiply
    172,673.44x = 353,905.88 × 353,905.88
  4. Step 4: Simplify right side
    172,673.44x = 125,249,368,359.52
  5. Step 5: Solve for x
    x = 125,249,368,359.52/172,673.44
  6. Step 6: Final answer
    x = 725,354.00

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.