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Finding the Third Proportional to 1,678,137.75 and 2,603,107.13

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Solution

The third proportional to 1,678,137.75 and 2,603,107.13 is: 4,037,908.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,137.75 : 2,603,107.13 = 2,603,107.13 : x
  2. Step 2: Convert to fraction form
    1,678,137.75/2,603,107.13 = 2,603,107.13/x
  3. Step 3: Cross multiply
    1,678,137.75x = 2,603,107.13 × 2,603,107.13
  4. Step 4: Simplify right side
    1,678,137.75x = 6,776,166,704,225.77
  5. Step 5: Solve for x
    x = 6,776,166,704,225.77/1,678,137.75
  6. Step 6: Final answer
    x = 4,037,908.51

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.