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Finding the Third Proportional to 1,702.13 and 3,607.88

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Solution

The third proportional to 1,702.13 and 3,607.88 is: 7,647.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702.13 : 3,607.88 = 3,607.88 : x
  2. Step 2: Convert to fraction form
    1,702.13/3,607.88 = 3,607.88/x
  3. Step 3: Cross multiply
    1,702.13x = 3,607.88 × 3,607.88
  4. Step 4: Simplify right side
    1,702.13x = 13,016,762.02
  5. Step 5: Solve for x
    x = 13,016,762.02/1,702.13
  6. Step 6: Final answer
    x = 7,647.36

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.