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Finding the Third Proportional to 39,315,580 and 61,540,155

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Solution

The third proportional to 39,315,580 and 61,540,155 is: 96,327,986.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,315,580 : 61,540,155 = 61,540,155 : x
  2. Step 2: Convert to fraction form
    39,315,580/61,540,155 = 61,540,155/x
  3. Step 3: Cross multiply
    39,315,580x = 61,540,155 × 61,540,155
  4. Step 4: Simplify right side
    39,315,580x = 3,787,190,677,424,025
  5. Step 5: Solve for x
    x = 3,787,190,677,424,025/39,315,580
  6. Step 6: Final answer
    x = 96,327,986.96

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.