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Finding the Third Proportional to 368,023.75 and 553,878.38

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Solution

The third proportional to 368,023.75 and 553,878.38 is: 833,590.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,023.75 : 553,878.38 = 553,878.38 : x
  2. Step 2: Convert to fraction form
    368,023.75/553,878.38 = 553,878.38/x
  3. Step 3: Cross multiply
    368,023.75x = 553,878.38 × 553,878.38
  4. Step 4: Simplify right side
    368,023.75x = 306,781,254,292.64
  5. Step 5: Solve for x
    x = 306,781,254,292.64/368,023.75
  6. Step 6: Final answer
    x = 833,590.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.