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Finding the Third Proportional to 291.94 and 607.50

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Solution

The third proportional to 291.94 and 607.50 is: 1,264.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    291.94 : 607.50 = 607.50 : x
  2. Step 2: Convert to fraction form
    291.94/607.50 = 607.50/x
  3. Step 3: Cross multiply
    291.94x = 607.50 × 607.50
  4. Step 4: Simplify right side
    291.94x = 369,056.25
  5. Step 5: Solve for x
    x = 369,056.25/291.94
  6. Step 6: Final answer
    x = 1,264.16

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.