Home / 128,933,825.63-278,286,121.13

Finding the Third Proportional to 128,933,825.63 and 278,286,121.13

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Solution

The third proportional to 128,933,825.63 and 278,286,121.13 is: 600,642,731.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,933,825.63 : 278,286,121.13 = 278,286,121.13 : x
  2. Step 2: Convert to fraction form
    128,933,825.63/278,286,121.13 = 278,286,121.13/x
  3. Step 3: Cross multiply
    128,933,825.63x = 278,286,121.13 × 278,286,121.13
  4. Step 4: Simplify right side
    128,933,825.63x = 77,443,165,210,798,176
  5. Step 5: Solve for x
    x = 77,443,165,210,798,176/128,933,825.63
  6. Step 6: Final answer
    x = 600,642,731.54

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.