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Finding the Third Proportional to 9,460 and 12,430

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Solution

The third proportional to 9,460 and 12,430 is: 16,332.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,460 : 12,430 = 12,430 : x
  2. Step 2: Convert to fraction form
    9,460/12,430 = 12,430/x
  3. Step 3: Cross multiply
    9,460x = 12,430 × 12,430
  4. Step 4: Simplify right side
    9,460x = 154,504,900
  5. Step 5: Solve for x
    x = 154,504,900/9,460
  6. Step 6: Final answer
    x = 16,332.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.