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Finding the Third Proportional to 350,980.50 and 513,307.75

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Solution

The third proportional to 350,980.50 and 513,307.75 is: 750,710.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,980.50 : 513,307.75 = 513,307.75 : x
  2. Step 2: Convert to fraction form
    350,980.50/513,307.75 = 513,307.75/x
  3. Step 3: Cross multiply
    350,980.50x = 513,307.75 × 513,307.75
  4. Step 4: Simplify right side
    350,980.50x = 263,484,846,210.06
  5. Step 5: Solve for x
    x = 263,484,846,210.06/350,980.50
  6. Step 6: Final answer
    x = 750,710.78

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.