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Finding the Third Proportional to 223,165.13 and 336,820.78

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Solution

The third proportional to 223,165.13 and 336,820.78 is: 508,360.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,165.13 : 336,820.78 = 336,820.78 : x
  2. Step 2: Convert to fraction form
    223,165.13/336,820.78 = 336,820.78/x
  3. Step 3: Cross multiply
    223,165.13x = 336,820.78 × 336,820.78
  4. Step 4: Simplify right side
    223,165.13x = 113,448,238,681.86
  5. Step 5: Solve for x
    x = 113,448,238,681.86/223,165.13
  6. Step 6: Final answer
    x = 508,360.07

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.