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Finding the Third Proportional to 368,023.50 and 553,878

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Solution

The third proportional to 368,023.50 and 553,878 is: 833,590.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,023.50 : 553,878 = 553,878 : x
  2. Step 2: Convert to fraction form
    368,023.50/553,878 = 553,878/x
  3. Step 3: Cross multiply
    368,023.50x = 553,878 × 553,878
  4. Step 4: Simplify right side
    368,023.50x = 306,780,838,884
  5. Step 5: Solve for x
    x = 306,780,838,884/368,023.50
  6. Step 6: Final answer
    x = 833,590.35

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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.