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Finding the Third Proportional to 131,756,808 and 286,194,810

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Solution

The third proportional to 131,756,808 and 286,194,810 is: 621,656,448.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,756,808 : 286,194,810 = 286,194,810 : x
  2. Step 2: Convert to fraction form
    131,756,808/286,194,810 = 286,194,810/x
  3. Step 3: Cross multiply
    131,756,808x = 286,194,810 × 286,194,810
  4. Step 4: Simplify right side
    131,756,808x = 81,907,469,270,936,096
  5. Step 5: Solve for x
    x = 81,907,469,270,936,096/131,756,808
  6. Step 6: Final answer
    x = 621,656,448.07

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.