Home / 420,710,011,714.40-853,126,770,928.23

Finding the Third Proportional to 420,710,011,714.40 and 853,126,770,928.23

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Solution

The third proportional to 420,710,011,714.40 and 853,126,770,928.23 is: 1,729,992,790,778.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,710,011,714.40 : 853,126,770,928.23 = 853,126,770,928.23 : x
  2. Step 2: Convert to fraction form
    420,710,011,714.40/853,126,770,928.23 = 853,126,770,928.23/x
  3. Step 3: Cross multiply
    420,710,011,714.40x = 853,126,770,928.23 × 853,126,770,928.23
  4. Step 4: Simplify right side
    420,710,011,714.40x = 727,825,287,274,428,610,117,632
  5. Step 5: Solve for x
    x = 727,825,287,274,428,610,117,632/420,710,011,714.40
  6. Step 6: Final answer
    x = 1,729,992,790,778.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.