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Finding the Third Proportional to 1,836,940.78 and 2,896,293.38

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Solution

The third proportional to 1,836,940.78 and 2,896,293.38 is: 4,566,568.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836,940.78 : 2,896,293.38 = 2,896,293.38 : x
  2. Step 2: Convert to fraction form
    1,836,940.78/2,896,293.38 = 2,896,293.38/x
  3. Step 3: Cross multiply
    1,836,940.78x = 2,896,293.38 × 2,896,293.38
  4. Step 4: Simplify right side
    1,836,940.78x = 8,388,515,314,068.89
  5. Step 5: Solve for x
    x = 8,388,515,314,068.89/1,836,940.78
  6. Step 6: Final answer
    x = 4,566,568.18

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.