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Finding the Third Proportional to 1,409,870.25 and 2,980,464.75

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Solution

The third proportional to 1,409,870.25 and 2,980,464.75 is: 6,300,700.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,870.25 : 2,980,464.75 = 2,980,464.75 : x
  2. Step 2: Convert to fraction form
    1,409,870.25/2,980,464.75 = 2,980,464.75/x
  3. Step 3: Cross multiply
    1,409,870.25x = 2,980,464.75 × 2,980,464.75
  4. Step 4: Simplify right side
    1,409,870.25x = 8,883,170,125,992.56
  5. Step 5: Solve for x
    x = 8,883,170,125,992.56/1,409,870.25
  6. Step 6: Final answer
    x = 6,300,700.46

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.