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Finding the Third Proportional to 18,273,870 and 40,632,610.50

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Solution

The third proportional to 18,273,870 and 40,632,610.50 is: 90,348,078.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273,870 : 40,632,610.50 = 40,632,610.50 : x
  2. Step 2: Convert to fraction form
    18,273,870/40,632,610.50 = 40,632,610.50/x
  3. Step 3: Cross multiply
    18,273,870x = 40,632,610.50 × 40,632,610.50
  4. Step 4: Simplify right side
    18,273,870x = 1,651,009,036,044,710.25
  5. Step 5: Solve for x
    x = 1,651,009,036,044,710.25/18,273,870
  6. Step 6: Final answer
    x = 90,348,078.21

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.