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Finding the Third Proportional to 30,212.75 and 46,685.75

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Solution

The third proportional to 30,212.75 and 46,685.75 is: 72,140.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,212.75 : 46,685.75 = 46,685.75 : x
  2. Step 2: Convert to fraction form
    30,212.75/46,685.75 = 46,685.75/x
  3. Step 3: Cross multiply
    30,212.75x = 46,685.75 × 46,685.75
  4. Step 4: Simplify right side
    30,212.75x = 2,179,559,253.06
  5. Step 5: Solve for x
    x = 2,179,559,253.06/30,212.75
  6. Step 6: Final answer
    x = 72,140.38

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1.5x scale

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.