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Finding the Third Proportional to 203,499 and 442,030

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Solution

The third proportional to 203,499 and 442,030 is: 960,154.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,499 : 442,030 = 442,030 : x
  2. Step 2: Convert to fraction form
    203,499/442,030 = 442,030/x
  3. Step 3: Cross multiply
    203,499x = 442,030 × 442,030
  4. Step 4: Simplify right side
    203,499x = 195,390,520,900
  5. Step 5: Solve for x
    x = 195,390,520,900/203,499
  6. Step 6: Final answer
    x = 960,154.70

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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.