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Finding the Third Proportional to 1,342,840.50 and 2,617,155

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Solution

The third proportional to 1,342,840.50 and 2,617,155 is: 5,100,754.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,840.50 : 2,617,155 = 2,617,155 : x
  2. Step 2: Convert to fraction form
    1,342,840.50/2,617,155 = 2,617,155/x
  3. Step 3: Cross multiply
    1,342,840.50x = 2,617,155 × 2,617,155
  4. Step 4: Simplify right side
    1,342,840.50x = 6,849,500,294,025
  5. Step 5: Solve for x
    x = 6,849,500,294,025/1,342,840.50
  6. Step 6: Final answer
    x = 5,100,754.93

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.