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Finding the Third Proportional to 154,925.16 and 328,449.94

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Solution

The third proportional to 154,925.16 and 328,449.94 is: 696,332.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,925.16 : 328,449.94 = 328,449.94 : x
  2. Step 2: Convert to fraction form
    154,925.16/328,449.94 = 328,449.94/x
  3. Step 3: Cross multiply
    154,925.16x = 328,449.94 × 328,449.94
  4. Step 4: Simplify right side
    154,925.16x = 107,879,361,443.75
  5. Step 5: Solve for x
    x = 107,879,361,443.75/154,925.16
  6. Step 6: Final answer
    x = 696,332.11

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.