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Finding the Third Proportional to 1,893,378 and 4,075,440

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Solution

The third proportional to 1,893,378 and 4,075,440 is: 8,772,263.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893,378 : 4,075,440 = 4,075,440 : x
  2. Step 2: Convert to fraction form
    1,893,378/4,075,440 = 4,075,440/x
  3. Step 3: Cross multiply
    1,893,378x = 4,075,440 × 4,075,440
  4. Step 4: Simplify right side
    1,893,378x = 16,609,211,193,600
  5. Step 5: Solve for x
    x = 16,609,211,193,600/1,893,378
  6. Step 6: Final answer
    x = 8,772,263.75

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.