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Finding the Third Proportional to 4,929.19 and 10,587.38

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Solution

The third proportional to 4,929.19 and 10,587.38 is: 22,740.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.19 : 10,587.38 = 10,587.38 : x
  2. Step 2: Convert to fraction form
    4,929.19/10,587.38 = 10,587.38/x
  3. Step 3: Cross multiply
    4,929.19x = 10,587.38 × 10,587.38
  4. Step 4: Simplify right side
    4,929.19x = 112,092,509.39
  5. Step 5: Solve for x
    x = 112,092,509.39/4,929.19
  6. Step 6: Final answer
    x = 22,740.57

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.