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Finding the Third Proportional to 262,068.75 and 392,694.75

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Solution

The third proportional to 262,068.75 and 392,694.75 is: 588,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,068.75 : 392,694.75 = 392,694.75 : x
  2. Step 2: Convert to fraction form
    262,068.75/392,694.75 = 392,694.75/x
  3. Step 3: Cross multiply
    262,068.75x = 392,694.75 × 392,694.75
  4. Step 4: Simplify right side
    262,068.75x = 154,209,166,677.56
  5. Step 5: Solve for x
    x = 154,209,166,677.56/262,068.75
  6. Step 6: Final answer
    x = 588,430.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.