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Finding the Third Proportional to 16,390.13 and 25,313.63

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Solution

The third proportional to 16,390.13 and 25,313.63 is: 39,095.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,390.13 : 25,313.63 = 25,313.63 : x
  2. Step 2: Convert to fraction form
    16,390.13/25,313.63 = 25,313.63/x
  3. Step 3: Cross multiply
    16,390.13x = 25,313.63 × 25,313.63
  4. Step 4: Simplify right side
    16,390.13x = 640,779,610.64
  5. Step 5: Solve for x
    x = 640,779,610.64/16,390.13
  6. Step 6: Final answer
    x = 39,095.47

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.