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Finding the Third Proportional to 2,145,656.25 and 3,007,130.06

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Solution

The third proportional to 2,145,656.25 and 3,007,130.06 is: 4,214,482.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,656.25 : 3,007,130.06 = 3,007,130.06 : x
  2. Step 2: Convert to fraction form
    2,145,656.25/3,007,130.06 = 3,007,130.06/x
  3. Step 3: Cross multiply
    2,145,656.25x = 3,007,130.06 × 3,007,130.06
  4. Step 4: Simplify right side
    2,145,656.25x = 9,042,831,212,791.25
  5. Step 5: Solve for x
    x = 9,042,831,212,791.25/2,145,656.25
  6. Step 6: Final answer
    x = 4,214,482.73

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.