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Finding the Third Proportional to 2,064,988.69 and 4,428,902.81

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Solution

The third proportional to 2,064,988.69 and 4,428,902.81 is: 9,498,928.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,064,988.69 : 4,428,902.81 = 4,428,902.81 : x
  2. Step 2: Convert to fraction form
    2,064,988.69/4,428,902.81 = 4,428,902.81/x
  3. Step 3: Cross multiply
    2,064,988.69x = 4,428,902.81 × 4,428,902.81
  4. Step 4: Simplify right side
    2,064,988.69x = 19,615,180,122,570.41
  5. Step 5: Solve for x
    x = 19,615,180,122,570.41/2,064,988.69
  6. Step 6: Final answer
    x = 9,498,928.61

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.