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Finding the Third Proportional to 617.63 and 948.94

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Solution

The third proportional to 617.63 and 948.94 is: 1,457.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.63 : 948.94 = 948.94 : x
  2. Step 2: Convert to fraction form
    617.63/948.94 = 948.94/x
  3. Step 3: Cross multiply
    617.63x = 948.94 × 948.94
  4. Step 4: Simplify right side
    617.63x = 900,482.38
  5. Step 5: Solve for x
    x = 900,482.38/617.63
  6. Step 6: Final answer
    x = 1,457.98

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.