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Finding the Third Proportional to 317,304 and 692,492

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Solution

The third proportional to 317,304 and 692,492 is: 1,511,311.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,304 : 692,492 = 692,492 : x
  2. Step 2: Convert to fraction form
    317,304/692,492 = 692,492/x
  3. Step 3: Cross multiply
    317,304x = 692,492 × 692,492
  4. Step 4: Simplify right side
    317,304x = 479,545,170,064
  5. Step 5: Solve for x
    x = 479,545,170,064/317,304
  6. Step 6: Final answer
    x = 1,511,311.46

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.