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Finding the Third Proportional to 17,996,856 and 38,724,865

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Solution

The third proportional to 17,996,856 and 38,724,865 is: 83,326,508.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,996,856 : 38,724,865 = 38,724,865 : x
  2. Step 2: Convert to fraction form
    17,996,856/38,724,865 = 38,724,865/x
  3. Step 3: Cross multiply
    17,996,856x = 38,724,865 × 38,724,865
  4. Step 4: Simplify right side
    17,996,856x = 1,499,615,169,268,225
  5. Step 5: Solve for x
    x = 1,499,615,169,268,225/17,996,856
  6. Step 6: Final answer
    x = 83,326,508.21

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.