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Finding the Third Proportional to 18,909,732 and 45,590,394

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Solution

The third proportional to 18,909,732 and 45,590,394 is: 109,916,101.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,909,732 : 45,590,394 = 45,590,394 : x
  2. Step 2: Convert to fraction form
    18,909,732/45,590,394 = 45,590,394/x
  3. Step 3: Cross multiply
    18,909,732x = 45,590,394 × 45,590,394
  4. Step 4: Simplify right side
    18,909,732x = 2,078,484,025,075,236
  5. Step 5: Solve for x
    x = 2,078,484,025,075,236/18,909,732
  6. Step 6: Final answer
    x = 109,916,101.67

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.