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Finding the Third Proportional to 1,518,561.95 and 3,321,225.13

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Solution

The third proportional to 1,518,561.95 and 3,321,225.13 is: 7,263,804.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,561.95 : 3,321,225.13 = 3,321,225.13 : x
  2. Step 2: Convert to fraction form
    1,518,561.95/3,321,225.13 = 3,321,225.13/x
  3. Step 3: Cross multiply
    1,518,561.95x = 3,321,225.13 × 3,321,225.13
  4. Step 4: Simplify right side
    1,518,561.95x = 11,030,536,383,635.79
  5. Step 5: Solve for x
    x = 11,030,536,383,635.79/1,518,561.95
  6. Step 6: Final answer
    x = 7,263,804.01

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.