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Finding the Third Proportional to 18,072,358.03 and 39,731,932.69

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Solution

The third proportional to 18,072,358.03 and 39,731,932.69 is: 87,350,332.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072,358.03 : 39,731,932.69 = 39,731,932.69 : x
  2. Step 2: Convert to fraction form
    18,072,358.03/39,731,932.69 = 39,731,932.69/x
  3. Step 3: Cross multiply
    18,072,358.03x = 39,731,932.69 × 39,731,932.69
  4. Step 4: Simplify right side
    18,072,358.03x = 1,578,626,475,084,031
  5. Step 5: Solve for x
    x = 1,578,626,475,084,031/18,072,358.03
  6. Step 6: Final answer
    x = 87,350,332.06

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.