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Finding the Third Proportional to 18,927,291 and 41,176,089

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Solution

The third proportional to 18,927,291 and 41,176,089 is: 89,578,075.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,927,291 : 41,176,089 = 41,176,089 : x
  2. Step 2: Convert to fraction form
    18,927,291/41,176,089 = 41,176,089/x
  3. Step 3: Cross multiply
    18,927,291x = 41,176,089 × 41,176,089
  4. Step 4: Simplify right side
    18,927,291x = 1,695,470,305,335,921
  5. Step 5: Solve for x
    x = 1,695,470,305,335,921/18,927,291
  6. Step 6: Final answer
    x = 89,578,075.67

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.