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Finding the Third Proportional to 163,370 and 346,900

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Solution

The third proportional to 163,370 and 346,900 is: 736,607.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,370 : 346,900 = 346,900 : x
  2. Step 2: Convert to fraction form
    163,370/346,900 = 346,900/x
  3. Step 3: Cross multiply
    163,370x = 346,900 × 346,900
  4. Step 4: Simplify right side
    163,370x = 120,339,610,000
  5. Step 5: Solve for x
    x = 120,339,610,000/163,370
  6. Step 6: Final answer
    x = 736,607.76

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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.