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Finding the Third Proportional to 330,492 and 713,468

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Solution

The third proportional to 330,492 and 713,468 is: 1,540,238.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,492 : 713,468 = 713,468 : x
  2. Step 2: Convert to fraction form
    330,492/713,468 = 713,468/x
  3. Step 3: Cross multiply
    330,492x = 713,468 × 713,468
  4. Step 4: Simplify right side
    330,492x = 509,036,587,024
  5. Step 5: Solve for x
    x = 509,036,587,024/330,492
  6. Step 6: Final answer
    x = 1,540,238.76

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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.