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Finding the Third Proportional to 18,171,328 and 40,029,776

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Solution

The third proportional to 18,171,328 and 40,029,776 is: 88,181,940.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171,328 : 40,029,776 = 40,029,776 : x
  2. Step 2: Convert to fraction form
    18,171,328/40,029,776 = 40,029,776/x
  3. Step 3: Cross multiply
    18,171,328x = 40,029,776 × 40,029,776
  4. Step 4: Simplify right side
    18,171,328x = 1,602,382,966,610,176
  5. Step 5: Solve for x
    x = 1,602,382,966,610,176/18,171,328
  6. Step 6: Final answer
    x = 88,181,940.62

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.