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Finding the Third Proportional to 97,402 and 212,670

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Solution

The third proportional to 97,402 and 212,670 is: 464,349.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,402 : 212,670 = 212,670 : x
  2. Step 2: Convert to fraction form
    97,402/212,670 = 212,670/x
  3. Step 3: Cross multiply
    97,402x = 212,670 × 212,670
  4. Step 4: Simplify right side
    97,402x = 45,228,528,900
  5. Step 5: Solve for x
    x = 45,228,528,900/97,402
  6. Step 6: Final answer
    x = 464,349.08

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.