Home / 815,020,734.38-1,270,958,708.25

Finding the Third Proportional to 815,020,734.38 and 1,270,958,708.25

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Solution

The third proportional to 815,020,734.38 and 1,270,958,708.25 is: 1,981,956,985.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,020,734.38 : 1,270,958,708.25 = 1,270,958,708.25 : x
  2. Step 2: Convert to fraction form
    815,020,734.38/1,270,958,708.25 = 1,270,958,708.25/x
  3. Step 3: Cross multiply
    815,020,734.38x = 1,270,958,708.25 × 1,270,958,708.25
  4. Step 4: Simplify right side
    815,020,734.38x = 1,615,336,038,076,508,672
  5. Step 5: Solve for x
    x = 1,615,336,038,076,508,672/815,020,734.38
  6. Step 6: Final answer
    x = 1,981,956,985.81

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.