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Finding the Third Proportional to 46,938 and 70,413

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Solution

The third proportional to 46,938 and 70,413 is: 105,628.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,938 : 70,413 = 70,413 : x
  2. Step 2: Convert to fraction form
    46,938/70,413 = 70,413/x
  3. Step 3: Cross multiply
    46,938x = 70,413 × 70,413
  4. Step 4: Simplify right side
    46,938x = 4,957,990,569
  5. Step 5: Solve for x
    x = 4,957,990,569/46,938
  6. Step 6: Final answer
    x = 105,628.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.