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Finding the Third Proportional to 30,323 and 63,788

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Solution

The third proportional to 30,323 and 63,788 is: 134,185.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,323 : 63,788 = 63,788 : x
  2. Step 2: Convert to fraction form
    30,323/63,788 = 63,788/x
  3. Step 3: Cross multiply
    30,323x = 63,788 × 63,788
  4. Step 4: Simplify right side
    30,323x = 4,068,908,944
  5. Step 5: Solve for x
    x = 4,068,908,944/30,323
  6. Step 6: Final answer
    x = 134,185.57

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.