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Finding the Third Proportional to 227,178 and 491,973.75

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Solution

The third proportional to 227,178 and 491,973.75 is: 1,065,412.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,178 : 491,973.75 = 491,973.75 : x
  2. Step 2: Convert to fraction form
    227,178/491,973.75 = 491,973.75/x
  3. Step 3: Cross multiply
    227,178x = 491,973.75 × 491,973.75
  4. Step 4: Simplify right side
    227,178x = 242,038,170,689.06
  5. Step 5: Solve for x
    x = 242,038,170,689.06/227,178
  6. Step 6: Final answer
    x = 1,065,412.01

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.