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Finding the Third Proportional to 3,462,707.75 and 5,174,681.25

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Solution

The third proportional to 3,462,707.75 and 5,174,681.25 is: 7,733,059.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462,707.75 : 5,174,681.25 = 5,174,681.25 : x
  2. Step 2: Convert to fraction form
    3,462,707.75/5,174,681.25 = 5,174,681.25/x
  3. Step 3: Cross multiply
    3,462,707.75x = 5,174,681.25 × 5,174,681.25
  4. Step 4: Simplify right side
    3,462,707.75x = 26,777,326,039,101.56
  5. Step 5: Solve for x
    x = 26,777,326,039,101.56/3,462,707.75
  6. Step 6: Final answer
    x = 7,733,059.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.