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Finding the Third Proportional to 255,966.75 and 344,583

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Solution

The third proportional to 255,966.75 and 344,583 is: 463,878.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,966.75 : 344,583 = 344,583 : x
  2. Step 2: Convert to fraction form
    255,966.75/344,583 = 344,583/x
  3. Step 3: Cross multiply
    255,966.75x = 344,583 × 344,583
  4. Step 4: Simplify right side
    255,966.75x = 118,737,443,889
  5. Step 5: Solve for x
    x = 118,737,443,889/255,966.75
  6. Step 6: Final answer
    x = 463,878.39

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.