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Finding the Third Proportional to 3,658,335.75 and 5,434,438.50

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Solution

The third proportional to 3,658,335.75 and 5,434,438.50 is: 8,072,829.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658,335.75 : 5,434,438.50 = 5,434,438.50 : x
  2. Step 2: Convert to fraction form
    3,658,335.75/5,434,438.50 = 5,434,438.50/x
  3. Step 3: Cross multiply
    3,658,335.75x = 5,434,438.50 × 5,434,438.50
  4. Step 4: Simplify right side
    3,658,335.75x = 29,533,121,810,282.25
  5. Step 5: Solve for x
    x = 29,533,121,810,282.25/3,658,335.75
  6. Step 6: Final answer
    x = 8,072,829.79

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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.