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Finding the Third Proportional to 2,147,013.75 and 4,630,304.25

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Solution

The third proportional to 2,147,013.75 and 4,630,304.25 is: 9,985,831.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,013.75 : 4,630,304.25 = 4,630,304.25 : x
  2. Step 2: Convert to fraction form
    2,147,013.75/4,630,304.25 = 4,630,304.25/x
  3. Step 3: Cross multiply
    2,147,013.75x = 4,630,304.25 × 4,630,304.25
  4. Step 4: Simplify right side
    2,147,013.75x = 21,439,717,447,568.06
  5. Step 5: Solve for x
    x = 21,439,717,447,568.06/2,147,013.75
  6. Step 6: Final answer
    x = 9,985,831.46

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.