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Finding the Third Proportional to 285,280 and 602,393

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Solution

The third proportional to 285,280 and 602,393 is: 1,272,004.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,280 : 602,393 = 602,393 : x
  2. Step 2: Convert to fraction form
    285,280/602,393 = 602,393/x
  3. Step 3: Cross multiply
    285,280x = 602,393 × 602,393
  4. Step 4: Simplify right side
    285,280x = 362,877,326,449
  5. Step 5: Solve for x
    x = 362,877,326,449/285,280
  6. Step 6: Final answer
    x = 1,272,004.09

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.