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Finding the Third Proportional to 5,571,807.51 and 7,698,974.70

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Solution

The third proportional to 5,571,807.51 and 7,698,974.70 is: 10,638,237.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571,807.51 : 7,698,974.70 = 7,698,974.70 : x
  2. Step 2: Convert to fraction form
    5,571,807.51/7,698,974.70 = 7,698,974.70/x
  3. Step 3: Cross multiply
    5,571,807.51x = 7,698,974.70 × 7,698,974.70
  4. Step 4: Simplify right side
    5,571,807.51x = 59,274,211,359,062.20
  5. Step 5: Solve for x
    x = 59,274,211,359,062.20/5,571,807.51
  6. Step 6: Final answer
    x = 10,638,237.45

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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.