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Finding the Third Proportional to 1,385,260.88 and 2,072,317.50

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Solution

The third proportional to 1,385,260.88 and 2,072,317.50 is: 3,100,137.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,260.88 : 2,072,317.50 = 2,072,317.50 : x
  2. Step 2: Convert to fraction form
    1,385,260.88/2,072,317.50 = 2,072,317.50/x
  3. Step 3: Cross multiply
    1,385,260.88x = 2,072,317.50 × 2,072,317.50
  4. Step 4: Simplify right side
    1,385,260.88x = 4,294,499,820,806.25
  5. Step 5: Solve for x
    x = 4,294,499,820,806.25/1,385,260.88
  6. Step 6: Final answer
    x = 3,100,137.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.