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Finding the Third Proportional to 91,991,796 and 186,686,724

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Solution

The third proportional to 91,991,796 and 186,686,724 is: 378,859,142.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,991,796 : 186,686,724 = 186,686,724 : x
  2. Step 2: Convert to fraction form
    91,991,796/186,686,724 = 186,686,724/x
  3. Step 3: Cross multiply
    91,991,796x = 186,686,724 × 186,686,724
  4. Step 4: Simplify right side
    91,991,796x = 34,851,932,917,852,176
  5. Step 5: Solve for x
    x = 34,851,932,917,852,176/91,991,796
  6. Step 6: Final answer
    x = 378,859,142.15

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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.