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Finding the Third Proportional to 5,571,810 and 7,698,979.50

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Solution

The third proportional to 5,571,810 and 7,698,979.50 is: 10,638,245.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571,810 : 7,698,979.50 = 7,698,979.50 : x
  2. Step 2: Convert to fraction form
    5,571,810/7,698,979.50 = 7,698,979.50/x
  3. Step 3: Cross multiply
    5,571,810x = 7,698,979.50 × 7,698,979.50
  4. Step 4: Simplify right side
    5,571,810x = 59,274,285,341,420.25
  5. Step 5: Solve for x
    x = 59,274,285,341,420.25/5,571,810
  6. Step 6: Final answer
    x = 10,638,245.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.