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Finding the Third Proportional to 59,408,646.75 and 90,879,131.25

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Solution

The third proportional to 59,408,646.75 and 90,879,131.25 is: 139,020,444.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,408,646.75 : 90,879,131.25 = 90,879,131.25 : x
  2. Step 2: Convert to fraction form
    59,408,646.75/90,879,131.25 = 90,879,131.25/x
  3. Step 3: Cross multiply
    59,408,646.75x = 90,879,131.25 × 90,879,131.25
  4. Step 4: Simplify right side
    59,408,646.75x = 8,259,016,496,754,727
  5. Step 5: Solve for x
    x = 8,259,016,496,754,727/59,408,646.75
  6. Step 6: Final answer
    x = 139,020,444.81

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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.