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Finding the Third Proportional to 18,883,560 and 28,395,469.50

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Solution

The third proportional to 18,883,560 and 28,395,469.50 is: 42,698,658.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,883,560 : 28,395,469.50 = 28,395,469.50 : x
  2. Step 2: Convert to fraction form
    18,883,560/28,395,469.50 = 28,395,469.50/x
  3. Step 3: Cross multiply
    18,883,560x = 28,395,469.50 × 28,395,469.50
  4. Step 4: Simplify right side
    18,883,560x = 806,302,688,125,430.25
  5. Step 5: Solve for x
    x = 806,302,688,125,430.25/18,883,560
  6. Step 6: Final answer
    x = 42,698,658.95

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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.