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Finding the Third Proportional to 2,149,319.81 and 2,920,522.08

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Solution

The third proportional to 2,149,319.81 and 2,920,522.08 is: 3,968,441.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149,319.81 : 2,920,522.08 = 2,920,522.08 : x
  2. Step 2: Convert to fraction form
    2,149,319.81/2,920,522.08 = 2,920,522.08/x
  3. Step 3: Cross multiply
    2,149,319.81x = 2,920,522.08 × 2,920,522.08
  4. Step 4: Simplify right side
    2,149,319.81x = 8,529,449,208,815.57
  5. Step 5: Solve for x
    x = 8,529,449,208,815.57/2,149,319.81
  6. Step 6: Final answer
    x = 3,968,441.16

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.