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Finding the Third Proportional to 353,055.38 and 777,370.50

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Solution

The third proportional to 353,055.38 and 777,370.50 is: 1,711,643.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,055.38 : 777,370.50 = 777,370.50 : x
  2. Step 2: Convert to fraction form
    353,055.38/777,370.50 = 777,370.50/x
  3. Step 3: Cross multiply
    353,055.38x = 777,370.50 × 777,370.50
  4. Step 4: Simplify right side
    353,055.38x = 604,304,894,270.25
  5. Step 5: Solve for x
    x = 604,304,894,270.25/353,055.38
  6. Step 6: Final answer
    x = 1,711,643.38

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.