Home / 90,477,010.13-139,809,943.69

Finding the Third Proportional to 90,477,010.13 and 139,809,943.69

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Solution

The third proportional to 90,477,010.13 and 139,809,943.69 is: 216,041,846.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,477,010.13 : 139,809,943.69 = 139,809,943.69 : x
  2. Step 2: Convert to fraction form
    90,477,010.13/139,809,943.69 = 139,809,943.69/x
  3. Step 3: Cross multiply
    90,477,010.13x = 139,809,943.69 × 139,809,943.69
  4. Step 4: Simplify right side
    90,477,010.13x = 19,546,820,353,901,920
  5. Step 5: Solve for x
    x = 19,546,820,353,901,920/90,477,010.13
  6. Step 6: Final answer
    x = 216,041,846.73

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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.