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Finding the Third Proportional to 243,631.13 and 374,955.75

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Solution

The third proportional to 243,631.13 and 374,955.75 is: 577,068.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,631.13 : 374,955.75 = 374,955.75 : x
  2. Step 2: Convert to fraction form
    243,631.13/374,955.75 = 374,955.75/x
  3. Step 3: Cross multiply
    243,631.13x = 374,955.75 × 374,955.75
  4. Step 4: Simplify right side
    243,631.13x = 140,591,814,458.06
  5. Step 5: Solve for x
    x = 140,591,814,458.06/243,631.13
  6. Step 6: Final answer
    x = 577,068.36

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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.