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Finding the Third Proportional to 3,428,751.75 and 4,670,121

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Solution

The third proportional to 3,428,751.75 and 4,670,121 is: 6,360,924.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,751.75 : 4,670,121 = 4,670,121 : x
  2. Step 2: Convert to fraction form
    3,428,751.75/4,670,121 = 4,670,121/x
  3. Step 3: Cross multiply
    3,428,751.75x = 4,670,121 × 4,670,121
  4. Step 4: Simplify right side
    3,428,751.75x = 21,810,030,154,641
  5. Step 5: Solve for x
    x = 21,810,030,154,641/3,428,751.75
  6. Step 6: Final answer
    x = 6,360,924.25

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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.