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Finding the Third Proportional to 4,143,625.88 and 9,039,920.63

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Solution

The third proportional to 4,143,625.88 and 9,039,920.63 is: 19,721,897.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143,625.88 : 9,039,920.63 = 9,039,920.63 : x
  2. Step 2: Convert to fraction form
    4,143,625.88/9,039,920.63 = 9,039,920.63/x
  3. Step 3: Cross multiply
    4,143,625.88x = 9,039,920.63 × 9,039,920.63
  4. Step 4: Simplify right side
    4,143,625.88x = 81,720,164,906,300.39
  5. Step 5: Solve for x
    x = 81,720,164,906,300.39/4,143,625.88
  6. Step 6: Final answer
    x = 19,721,897.53

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.