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Finding the Third Proportional to 987,546 and 2,122,411.50

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Solution

The third proportional to 987,546 and 2,122,411.50 is: 4,561,438.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,546 : 2,122,411.50 = 2,122,411.50 : x
  2. Step 2: Convert to fraction form
    987,546/2,122,411.50 = 2,122,411.50/x
  3. Step 3: Cross multiply
    987,546x = 2,122,411.50 × 2,122,411.50
  4. Step 4: Simplify right side
    987,546x = 4,504,630,575,332.25
  5. Step 5: Solve for x
    x = 4,504,630,575,332.25/987,546
  6. Step 6: Final answer
    x = 4,561,438.73

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.