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Finding the Third Proportional to 330,977 and 714,429

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Solution

The third proportional to 330,977 and 714,429 is: 1,542,127.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,977 : 714,429 = 714,429 : x
  2. Step 2: Convert to fraction form
    330,977/714,429 = 714,429/x
  3. Step 3: Cross multiply
    330,977x = 714,429 × 714,429
  4. Step 4: Simplify right side
    330,977x = 510,408,796,041
  5. Step 5: Solve for x
    x = 510,408,796,041/330,977
  6. Step 6: Final answer
    x = 1,542,127.69

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.