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Finding the Third Proportional to 97,038 and 212,178.75

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Solution

The third proportional to 97,038 and 212,178.75 is: 463,940.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,038 : 212,178.75 = 212,178.75 : x
  2. Step 2: Convert to fraction form
    97,038/212,178.75 = 212,178.75/x
  3. Step 3: Cross multiply
    97,038x = 212,178.75 × 212,178.75
  4. Step 4: Simplify right side
    97,038x = 45,019,821,951.56
  5. Step 5: Solve for x
    x = 45,019,821,951.56/97,038
  6. Step 6: Final answer
    x = 463,940.13

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.