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Finding the Third Proportional to 3,156.47 and 4,673.53

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Solution

The third proportional to 3,156.47 and 4,673.53 is: 6,919.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.47 : 4,673.53 = 4,673.53 : x
  2. Step 2: Convert to fraction form
    3,156.47/4,673.53 = 4,673.53/x
  3. Step 3: Cross multiply
    3,156.47x = 4,673.53 × 4,673.53
  4. Step 4: Simplify right side
    3,156.47x = 21,841,894.34
  5. Step 5: Solve for x
    x = 21,841,894.34/3,156.47
  6. Step 6: Final answer
    x = 6,919.72

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.