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Finding the Third Proportional to 4,038.75 and 8,897.63

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Solution

The third proportional to 4,038.75 and 8,897.63 is: 19,602.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,038.75 : 8,897.63 = 8,897.63 : x
  2. Step 2: Convert to fraction form
    4,038.75/8,897.63 = 8,897.63/x
  3. Step 3: Cross multiply
    4,038.75x = 8,897.63 × 8,897.63
  4. Step 4: Simplify right side
    4,038.75x = 79,167,730.64
  5. Step 5: Solve for x
    x = 79,167,730.64/4,038.75
  6. Step 6: Final answer
    x = 19,602.04

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.