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Finding the Third Proportional to 18,710,680 and 27,989,556

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Solution

The third proportional to 18,710,680 and 27,989,556 is: 41,869,950.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,710,680 : 27,989,556 = 27,989,556 : x
  2. Step 2: Convert to fraction form
    18,710,680/27,989,556 = 27,989,556/x
  3. Step 3: Cross multiply
    18,710,680x = 27,989,556 × 27,989,556
  4. Step 4: Simplify right side
    18,710,680x = 783,415,245,077,136
  5. Step 5: Solve for x
    x = 783,415,245,077,136/18,710,680
  6. Step 6: Final answer
    x = 41,869,950.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.