Home / 15,120,831.09-33,180,989.77

Finding the Third Proportional to 15,120,831.09 and 33,180,989.77

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Solution

The third proportional to 15,120,831.09 and 33,180,989.77 is: 72,812,008.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,120,831.09 : 33,180,989.77 = 33,180,989.77 : x
  2. Step 2: Convert to fraction form
    15,120,831.09/33,180,989.77 = 33,180,989.77/x
  3. Step 3: Cross multiply
    15,120,831.09x = 33,180,989.77 × 33,180,989.77
  4. Step 4: Simplify right side
    15,120,831.09x = 1,100,978,081,826,444.75
  5. Step 5: Solve for x
    x = 1,100,978,081,826,444.75/15,120,831.09
  6. Step 6: Final answer
    x = 72,812,008.48

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.