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Finding the Third Proportional to 5,048,365.50 and 7,831,829.25

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Solution

The third proportional to 5,048,365.50 and 7,831,829.25 is: 12,149,981.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,048,365.50 : 7,831,829.25 = 7,831,829.25 : x
  2. Step 2: Convert to fraction form
    5,048,365.50/7,831,829.25 = 7,831,829.25/x
  3. Step 3: Cross multiply
    5,048,365.50x = 7,831,829.25 × 7,831,829.25
  4. Step 4: Simplify right side
    5,048,365.50x = 61,337,549,401,155.56
  5. Step 5: Solve for x
    x = 61,337,549,401,155.56/5,048,365.50
  6. Step 6: Final answer
    x = 12,149,981.89

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.