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Finding the Third Proportional to 30,426 and 46,747

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Solution

The third proportional to 30,426 and 46,747 is: 71,822.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,426 : 46,747 = 46,747 : x
  2. Step 2: Convert to fraction form
    30,426/46,747 = 46,747/x
  3. Step 3: Cross multiply
    30,426x = 46,747 × 46,747
  4. Step 4: Simplify right side
    30,426x = 2,185,282,009
  5. Step 5: Solve for x
    x = 2,185,282,009/30,426
  6. Step 6: Final answer
    x = 71,822.85

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.