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Finding the Third Proportional to 7,421.63 and 16,124.06

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Solution

The third proportional to 7,421.63 and 16,124.06 is: 35,030.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.63 : 16,124.06 = 16,124.06 : x
  2. Step 2: Convert to fraction form
    7,421.63/16,124.06 = 16,124.06/x
  3. Step 3: Cross multiply
    7,421.63x = 16,124.06 × 16,124.06
  4. Step 4: Simplify right side
    7,421.63x = 259,985,391.50
  5. Step 5: Solve for x
    x = 259,985,391.50/7,421.63
  6. Step 6: Final answer
    x = 35,030.79

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.