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Finding the Third Proportional to 12,316 and 29,558

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Solution

The third proportional to 12,316 and 29,558 is: 70,938.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316 : 29,558 = 29,558 : x
  2. Step 2: Convert to fraction form
    12,316/29,558 = 29,558/x
  3. Step 3: Cross multiply
    12,316x = 29,558 × 29,558
  4. Step 4: Simplify right side
    12,316x = 873,675,364
  5. Step 5: Solve for x
    x = 873,675,364/12,316
  6. Step 6: Final answer
    x = 70,938.24

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Why These Related Problems?

These problems maintain the same ratio (2.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.