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Finding the Third Proportional to 8,928,888 and 19,379,927.50

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Solution

The third proportional to 8,928,888 and 19,379,927.50 is: 42,063,646.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928,888 : 19,379,927.50 = 19,379,927.50 : x
  2. Step 2: Convert to fraction form
    8,928,888/19,379,927.50 = 19,379,927.50/x
  3. Step 3: Cross multiply
    8,928,888x = 19,379,927.50 × 19,379,927.50
  4. Step 4: Simplify right side
    8,928,888x = 375,581,589,905,256.25
  5. Step 5: Solve for x
    x = 375,581,589,905,256.25/8,928,888
  6. Step 6: Final answer
    x = 42,063,646.66

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.