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Finding the Third Proportional to 1,328,476.50 and 2,114,893.13

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Solution

The third proportional to 1,328,476.50 and 2,114,893.13 is: 3,366,843.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,476.50 : 2,114,893.13 = 2,114,893.13 : x
  2. Step 2: Convert to fraction form
    1,328,476.50/2,114,893.13 = 2,114,893.13/x
  3. Step 3: Cross multiply
    1,328,476.50x = 2,114,893.13 × 2,114,893.13
  4. Step 4: Simplify right side
    1,328,476.50x = 4,472,772,930,172.27
  5. Step 5: Solve for x
    x = 4,472,772,930,172.27/1,328,476.50
  6. Step 6: Final answer
    x = 3,366,843.85

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.