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Finding the Third Proportional to 1,395,391.50 and 1,893,748.50

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Solution

The third proportional to 1,395,391.50 and 1,893,748.50 is: 2,570,091.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,391.50 : 1,893,748.50 = 1,893,748.50 : x
  2. Step 2: Convert to fraction form
    1,395,391.50/1,893,748.50 = 1,893,748.50/x
  3. Step 3: Cross multiply
    1,395,391.50x = 1,893,748.50 × 1,893,748.50
  4. Step 4: Simplify right side
    1,395,391.50x = 3,586,283,381,252.25
  5. Step 5: Solve for x
    x = 3,586,283,381,252.25/1,395,391.50
  6. Step 6: Final answer
    x = 2,570,091.18

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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.