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Finding the Third Proportional to 196,336.13 and 424,004.63

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Solution

The third proportional to 196,336.13 and 424,004.63 is: 915,674.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,336.13 : 424,004.63 = 424,004.63 : x
  2. Step 2: Convert to fraction form
    196,336.13/424,004.63 = 424,004.63/x
  3. Step 3: Cross multiply
    196,336.13x = 424,004.63 × 424,004.63
  4. Step 4: Simplify right side
    196,336.13x = 179,779,922,021.39
  5. Step 5: Solve for x
    x = 179,779,922,021.39/196,336.13
  6. Step 6: Final answer
    x = 915,674.19

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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.