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Finding the Third Proportional to 114,786 and 243,465.75

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Solution

The third proportional to 114,786 and 243,465.75 is: 516,400.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,786 : 243,465.75 = 243,465.75 : x
  2. Step 2: Convert to fraction form
    114,786/243,465.75 = 243,465.75/x
  3. Step 3: Cross multiply
    114,786x = 243,465.75 × 243,465.75
  4. Step 4: Simplify right side
    114,786x = 59,275,571,423.06
  5. Step 5: Solve for x
    x = 59,275,571,423.06/114,786
  6. Step 6: Final answer
    x = 516,400.71

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.