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Finding the Third Proportional to 6,656.63 and 9,038.25

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Solution

The third proportional to 6,656.63 and 9,038.25 is: 12,271.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.63 : 9,038.25 = 9,038.25 : x
  2. Step 2: Convert to fraction form
    6,656.63/9,038.25 = 9,038.25/x
  3. Step 3: Cross multiply
    6,656.63x = 9,038.25 × 9,038.25
  4. Step 4: Simplify right side
    6,656.63x = 81,689,963.06
  5. Step 5: Solve for x
    x = 81,689,963.06/6,656.63
  6. Step 6: Final answer
    x = 12,271.98

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.