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Finding the Third Proportional to 59,408,649.75 and 90,879,135.75

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Solution

The third proportional to 59,408,649.75 and 90,879,135.75 is: 139,020,451.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,408,649.75 : 90,879,135.75 = 90,879,135.75 : x
  2. Step 2: Convert to fraction form
    59,408,649.75/90,879,135.75 = 90,879,135.75/x
  3. Step 3: Cross multiply
    59,408,649.75x = 90,879,135.75 × 90,879,135.75
  4. Step 4: Simplify right side
    59,408,649.75x = 8,259,017,314,666,928
  5. Step 5: Solve for x
    x = 8,259,017,314,666,928/59,408,649.75
  6. Step 6: Final answer
    x = 139,020,451.56

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.