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Finding the Third Proportional to 18,648,770 and 39,230,046

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Solution

The third proportional to 18,648,770 and 39,230,046 is: 82,525,362.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,648,770 : 39,230,046 = 39,230,046 : x
  2. Step 2: Convert to fraction form
    18,648,770/39,230,046 = 39,230,046/x
  3. Step 3: Cross multiply
    18,648,770x = 39,230,046 × 39,230,046
  4. Step 4: Simplify right side
    18,648,770x = 1,538,996,509,162,116
  5. Step 5: Solve for x
    x = 1,538,996,509,162,116/18,648,770
  6. Step 6: Final answer
    x = 82,525,362.75

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.