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Finding the Third Proportional to 30,356 and 45,222.75

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Solution

The third proportional to 30,356 and 45,222.75 is: 67,370.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,356 : 45,222.75 = 45,222.75 : x
  2. Step 2: Convert to fraction form
    30,356/45,222.75 = 45,222.75/x
  3. Step 3: Cross multiply
    30,356x = 45,222.75 × 45,222.75
  4. Step 4: Simplify right side
    30,356x = 2,045,097,117.56
  5. Step 5: Solve for x
    x = 2,045,097,117.56/30,356
  6. Step 6: Final answer
    x = 67,370.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.