Home / 485,771,180.06-692,321,934.38

Finding the Third Proportional to 485,771,180.06 and 692,321,934.38

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Solution

The third proportional to 485,771,180.06 and 692,321,934.38 is: 986,698,430.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,771,180.06 : 692,321,934.38 = 692,321,934.38 : x
  2. Step 2: Convert to fraction form
    485,771,180.06/692,321,934.38 = 692,321,934.38/x
  3. Step 3: Cross multiply
    485,771,180.06x = 692,321,934.38 × 692,321,934.38
  4. Step 4: Simplify right side
    485,771,180.06x = 479,309,660,816,741,824
  5. Step 5: Solve for x
    x = 479,309,660,816,741,824/485,771,180.06
  6. Step 6: Final answer
    x = 986,698,430.23

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.