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Finding the Third Proportional to 306,048.75 and 662,938.50

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Solution

The third proportional to 306,048.75 and 662,938.50 is: 1,436,004.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,048.75 : 662,938.50 = 662,938.50 : x
  2. Step 2: Convert to fraction form
    306,048.75/662,938.50 = 662,938.50/x
  3. Step 3: Cross multiply
    306,048.75x = 662,938.50 × 662,938.50
  4. Step 4: Simplify right side
    306,048.75x = 439,487,454,782.25
  5. Step 5: Solve for x
    x = 439,487,454,782.25/306,048.75
  6. Step 6: Final answer
    x = 1,436,004.74

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.