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Finding the Third Proportional to 778,116.38 and 1,648,572.75

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Solution

The third proportional to 778,116.38 and 1,648,572.75 is: 3,492,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,116.38 : 1,648,572.75 = 1,648,572.75 : x
  2. Step 2: Convert to fraction form
    778,116.38/1,648,572.75 = 1,648,572.75/x
  3. Step 3: Cross multiply
    778,116.38x = 1,648,572.75 × 1,648,572.75
  4. Step 4: Simplify right side
    778,116.38x = 2,717,792,112,042.56
  5. Step 5: Solve for x
    x = 2,717,792,112,042.56/778,116.38
  6. Step 6: Final answer
    x = 3,492,783.60

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.