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Finding the Third Proportional to 189,894 and 295,209

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Solution

The third proportional to 189,894 and 295,209 is: 458,931.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,894 : 295,209 = 295,209 : x
  2. Step 2: Convert to fraction form
    189,894/295,209 = 295,209/x
  3. Step 3: Cross multiply
    189,894x = 295,209 × 295,209
  4. Step 4: Simplify right side
    189,894x = 87,148,353,681
  5. Step 5: Solve for x
    x = 87,148,353,681/189,894
  6. Step 6: Final answer
    x = 458,931.58

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.