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Finding the Third Proportional to 368,354.25 and 553,898.25

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Solution

The third proportional to 368,354.25 and 553,898.25 is: 832,902.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,354.25 : 553,898.25 = 553,898.25 : x
  2. Step 2: Convert to fraction form
    368,354.25/553,898.25 = 553,898.25/x
  3. Step 3: Cross multiply
    368,354.25x = 553,898.25 × 553,898.25
  4. Step 4: Simplify right side
    368,354.25x = 306,803,271,353.06
  5. Step 5: Solve for x
    x = 306,803,271,353.06/368,354.25
  6. Step 6: Final answer
    x = 832,902.76

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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.