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Finding the Third Proportional to 30,213 and 46,899

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Solution

The third proportional to 30,213 and 46,899 is: 72,800.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,213 : 46,899 = 46,899 : x
  2. Step 2: Convert to fraction form
    30,213/46,899 = 46,899/x
  3. Step 3: Cross multiply
    30,213x = 46,899 × 46,899
  4. Step 4: Simplify right side
    30,213x = 2,199,516,201
  5. Step 5: Solve for x
    x = 2,199,516,201/30,213
  6. Step 6: Final answer
    x = 72,800.32

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.