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Finding the Third Proportional to 668,131 and 1,075,734

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Solution

The third proportional to 668,131 and 1,075,734 is: 1,732,001.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,131 : 1,075,734 = 1,075,734 : x
  2. Step 2: Convert to fraction form
    668,131/1,075,734 = 1,075,734/x
  3. Step 3: Cross multiply
    668,131x = 1,075,734 × 1,075,734
  4. Step 4: Simplify right side
    668,131x = 1,157,203,638,756
  5. Step 5: Solve for x
    x = 1,157,203,638,756/668,131
  6. Step 6: Final answer
    x = 1,732,001.12

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.