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Finding the Third Proportional to 18,487,660.50 and 28,850,698.13

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Solution

The third proportional to 18,487,660.50 and 28,850,698.13 is: 45,022,612.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,487,660.50 : 28,850,698.13 = 28,850,698.13 : x
  2. Step 2: Convert to fraction form
    18,487,660.50/28,850,698.13 = 28,850,698.13/x
  3. Step 3: Cross multiply
    18,487,660.50x = 28,850,698.13 × 28,850,698.13
  4. Step 4: Simplify right side
    18,487,660.50x = 832,362,782,299,878.50
  5. Step 5: Solve for x
    x = 832,362,782,299,878.50/18,487,660.50
  6. Step 6: Final answer
    x = 45,022,612.91

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.