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Finding the Third Proportional to 615.75 and 895.50

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Solution

The third proportional to 615.75 and 895.50 is: 1,302.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.75 : 895.50 = 895.50 : x
  2. Step 2: Convert to fraction form
    615.75/895.50 = 895.50/x
  3. Step 3: Cross multiply
    615.75x = 895.50 × 895.50
  4. Step 4: Simplify right side
    615.75x = 801,920.25
  5. Step 5: Solve for x
    x = 801,920.25/615.75
  6. Step 6: Final answer
    x = 1,302.35

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.