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Finding the Third Proportional to 4,713,991.50 and 7,208,050.50

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Solution

The third proportional to 4,713,991.50 and 7,208,050.50 is: 11,021,655.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,713,991.50 : 7,208,050.50 = 7,208,050.50 : x
  2. Step 2: Convert to fraction form
    4,713,991.50/7,208,050.50 = 7,208,050.50/x
  3. Step 3: Cross multiply
    4,713,991.50x = 7,208,050.50 × 7,208,050.50
  4. Step 4: Simplify right side
    4,713,991.50x = 51,955,992,010,550.25
  5. Step 5: Solve for x
    x = 51,955,992,010,550.25/4,713,991.50
  6. Step 6: Final answer
    x = 11,021,655.85

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.