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Finding the Third Proportional to 1,778,130 and 2,540,911.50

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Solution

The third proportional to 1,778,130 and 2,540,911.50 is: 3,630,910.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,130 : 2,540,911.50 = 2,540,911.50 : x
  2. Step 2: Convert to fraction form
    1,778,130/2,540,911.50 = 2,540,911.50/x
  3. Step 3: Cross multiply
    1,778,130x = 2,540,911.50 × 2,540,911.50
  4. Step 4: Simplify right side
    1,778,130x = 6,456,231,250,832.25
  5. Step 5: Solve for x
    x = 6,456,231,250,832.25/1,778,130
  6. Step 6: Final answer
    x = 3,630,910.70

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.