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Finding the Third Proportional to 1,398,938.50 and 3,091,937

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Solution

The third proportional to 1,398,938.50 and 3,091,937 is: 6,833,806.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,938.50 : 3,091,937 = 3,091,937 : x
  2. Step 2: Convert to fraction form
    1,398,938.50/3,091,937 = 3,091,937/x
  3. Step 3: Cross multiply
    1,398,938.50x = 3,091,937 × 3,091,937
  4. Step 4: Simplify right side
    1,398,938.50x = 9,560,074,411,969
  5. Step 5: Solve for x
    x = 9,560,074,411,969/1,398,938.50
  6. Step 6: Final answer
    x = 6,833,806.07

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.