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Finding the Third Proportional to 206,565 and 437,926.50

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Solution

The third proportional to 206,565 and 437,926.50 is: 928,422.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,565 : 437,926.50 = 437,926.50 : x
  2. Step 2: Convert to fraction form
    206,565/437,926.50 = 437,926.50/x
  3. Step 3: Cross multiply
    206,565x = 437,926.50 × 437,926.50
  4. Step 4: Simplify right side
    206,565x = 191,779,619,402.25
  5. Step 5: Solve for x
    x = 191,779,619,402.25/206,565
  6. Step 6: Final answer
    x = 928,422.62

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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.