Home / 312,116,925.38-679,179,176.44

Finding the Third Proportional to 312,116,925.38 and 679,179,176.44

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Solution

The third proportional to 312,116,925.38 and 679,179,176.44 is: 1,477,921,625.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,116,925.38 : 679,179,176.44 = 679,179,176.44 : x
  2. Step 2: Convert to fraction form
    312,116,925.38/679,179,176.44 = 679,179,176.44/x
  3. Step 3: Cross multiply
    312,116,925.38x = 679,179,176.44 × 679,179,176.44
  4. Step 4: Simplify right side
    312,116,925.38x = 461,284,353,706,320,768
  5. Step 5: Solve for x
    x = 461,284,353,706,320,768/312,116,925.38
  6. Step 6: Final answer
    x = 1,477,921,625.53

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.