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Finding the Third Proportional to 1,680,284.25 and 3,605,532.75

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Solution

The third proportional to 1,680,284.25 and 3,605,532.75 is: 7,736,706.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,284.25 : 3,605,532.75 = 3,605,532.75 : x
  2. Step 2: Convert to fraction form
    1,680,284.25/3,605,532.75 = 3,605,532.75/x
  3. Step 3: Cross multiply
    1,680,284.25x = 3,605,532.75 × 3,605,532.75
  4. Step 4: Simplify right side
    1,680,284.25x = 12,999,866,411,322.56
  5. Step 5: Solve for x
    x = 12,999,866,411,322.56/1,680,284.25
  6. Step 6: Final answer
    x = 7,736,706.70

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.