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Finding the Third Proportional to 330,612 and 713,700

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Solution

The third proportional to 330,612 and 713,700 is: 1,540,681.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,612 : 713,700 = 713,700 : x
  2. Step 2: Convert to fraction form
    330,612/713,700 = 713,700/x
  3. Step 3: Cross multiply
    330,612x = 713,700 × 713,700
  4. Step 4: Simplify right side
    330,612x = 509,367,690,000
  5. Step 5: Solve for x
    x = 509,367,690,000/330,612
  6. Step 6: Final answer
    x = 1,540,681.19

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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.