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Finding the Third Proportional to 4,214,690.44 and 9,137,963.81

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Solution

The third proportional to 4,214,690.44 and 9,137,963.81 is: 19,812,222.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,214,690.44 : 9,137,963.81 = 9,137,963.81 : x
  2. Step 2: Convert to fraction form
    4,214,690.44/9,137,963.81 = 9,137,963.81/x
  3. Step 3: Cross multiply
    4,214,690.44x = 9,137,963.81 × 9,137,963.81
  4. Step 4: Simplify right side
    4,214,690.44x = 83,502,382,638,559.53
  5. Step 5: Solve for x
    x = 83,502,382,638,559.53/4,214,690.44
  6. Step 6: Final answer
    x = 19,812,222.01

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.