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Finding the Third Proportional to 30,490 and 46,924

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Solution

The third proportional to 30,490 and 46,924 is: 72,215.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,490 : 46,924 = 46,924 : x
  2. Step 2: Convert to fraction form
    30,490/46,924 = 46,924/x
  3. Step 3: Cross multiply
    30,490x = 46,924 × 46,924
  4. Step 4: Simplify right side
    30,490x = 2,201,861,776
  5. Step 5: Solve for x
    x = 2,201,861,776/30,490
  6. Step 6: Final answer
    x = 72,215.87

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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.