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Finding the Third Proportional to 417.66 and 607.50

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Solution

The third proportional to 417.66 and 607.50 is: 883.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    417.66 : 607.50 = 607.50 : x
  2. Step 2: Convert to fraction form
    417.66/607.50 = 607.50/x
  3. Step 3: Cross multiply
    417.66x = 607.50 × 607.50
  4. Step 4: Simplify right side
    417.66x = 369,056.25
  5. Step 5: Solve for x
    x = 369,056.25/417.66
  6. Step 6: Final answer
    x = 883.64

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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.