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Finding the Third Proportional to 30,354 and 45,953

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Solution

The third proportional to 30,354 and 45,953 is: 69,568.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,354 : 45,953 = 45,953 : x
  2. Step 2: Convert to fraction form
    30,354/45,953 = 45,953/x
  3. Step 3: Cross multiply
    30,354x = 45,953 × 45,953
  4. Step 4: Simplify right side
    30,354x = 2,111,678,209
  5. Step 5: Solve for x
    x = 2,111,678,209/30,354
  6. Step 6: Final answer
    x = 69,568.37

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.