Home / 2,178,841,816.69-4,660,604,988.19

Finding the Third Proportional to 2,178,841,816.69 and 4,660,604,988.19

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Solution

The third proportional to 2,178,841,816.69 and 4,660,604,988.19 is: 9,969,167,421.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,841,816.69 : 4,660,604,988.19 = 4,660,604,988.19 : x
  2. Step 2: Convert to fraction form
    2,178,841,816.69/4,660,604,988.19 = 4,660,604,988.19/x
  3. Step 3: Cross multiply
    2,178,841,816.69x = 4,660,604,988.19 × 4,660,604,988.19
  4. Step 4: Simplify right side
    2,178,841,816.69x = 21,721,238,855,918,206,976
  5. Step 5: Solve for x
    x = 21,721,238,855,918,206,976/2,178,841,816.69
  6. Step 6: Final answer
    x = 9,969,167,421.68

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.