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Finding the Third Proportional to 353,701.69 and 763,683.19

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Solution

The third proportional to 353,701.69 and 763,683.19 is: 1,648,881.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,701.69 : 763,683.19 = 763,683.19 : x
  2. Step 2: Convert to fraction form
    353,701.69/763,683.19 = 763,683.19/x
  3. Step 3: Cross multiply
    353,701.69x = 763,683.19 × 763,683.19
  4. Step 4: Simplify right side
    353,701.69x = 583,212,010,870.16
  5. Step 5: Solve for x
    x = 583,212,010,870.16/353,701.69
  6. Step 6: Final answer
    x = 1,648,881.05

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.