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Finding the Third Proportional to 4,698,777.75 and 7,476,744.75

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Solution

The third proportional to 4,698,777.75 and 7,476,744.75 is: 11,897,075.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,698,777.75 : 7,476,744.75 = 7,476,744.75 : x
  2. Step 2: Convert to fraction form
    4,698,777.75/7,476,744.75 = 7,476,744.75/x
  3. Step 3: Cross multiply
    4,698,777.75x = 7,476,744.75 × 7,476,744.75
  4. Step 4: Simplify right side
    4,698,777.75x = 55,901,712,056,652.56
  5. Step 5: Solve for x
    x = 55,901,712,056,652.56/4,698,777.75
  6. Step 6: Final answer
    x = 11,897,075.16

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.