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Finding the Third Proportional to 4,307.63 and 9,302.63

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Solution

The third proportional to 4,307.63 and 9,302.63 is: 20,089.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,307.63 : 9,302.63 = 9,302.63 : x
  2. Step 2: Convert to fraction form
    4,307.63/9,302.63 = 9,302.63/x
  3. Step 3: Cross multiply
    4,307.63x = 9,302.63 × 9,302.63
  4. Step 4: Simplify right side
    4,307.63x = 86,538,831.89
  5. Step 5: Solve for x
    x = 86,538,831.89/4,307.63
  6. Step 6: Final answer
    x = 20,089.69

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.