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Finding the Third Proportional to 465.75 and 653.06

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Solution

The third proportional to 465.75 and 653.06 is: 915.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.75 : 653.06 = 653.06 : x
  2. Step 2: Convert to fraction form
    465.75/653.06 = 653.06/x
  3. Step 3: Cross multiply
    465.75x = 653.06 × 653.06
  4. Step 4: Simplify right side
    465.75x = 426,490.63
  5. Step 5: Solve for x
    x = 426,490.63/465.75
  6. Step 6: Final answer
    x = 915.71

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.