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Finding the Third Proportional to 30,561.75 and 46,750.78

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Solution

The third proportional to 30,561.75 and 46,750.78 is: 71,515.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,561.75 : 46,750.78 = 46,750.78 : x
  2. Step 2: Convert to fraction form
    30,561.75/46,750.78 = 46,750.78/x
  3. Step 3: Cross multiply
    30,561.75x = 46,750.78 × 46,750.78
  4. Step 4: Simplify right side
    30,561.75x = 2,185,635,547.49
  5. Step 5: Solve for x
    x = 2,185,635,547.49/30,561.75
  6. Step 6: Final answer
    x = 71,515.39

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.