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Finding the Third Proportional to 40,338,060.75 and 86,847,663.38

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Solution

The third proportional to 40,338,060.75 and 86,847,663.38 is: 186,982,628.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,338,060.75 : 86,847,663.38 = 86,847,663.38 : x
  2. Step 2: Convert to fraction form
    40,338,060.75/86,847,663.38 = 86,847,663.38/x
  3. Step 3: Cross multiply
    40,338,060.75x = 86,847,663.38 × 86,847,663.38
  4. Step 4: Simplify right side
    40,338,060.75x = 7,542,516,633,697,316
  5. Step 5: Solve for x
    x = 7,542,516,633,697,316/40,338,060.75
  6. Step 6: Final answer
    x = 186,982,628.65

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.