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Finding the Third Proportional to 18,279,575 and 39,705,841

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Solution

The third proportional to 18,279,575 and 39,705,841 is: 86,246,743.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279,575 : 39,705,841 = 39,705,841 : x
  2. Step 2: Convert to fraction form
    18,279,575/39,705,841 = 39,705,841/x
  3. Step 3: Cross multiply
    18,279,575x = 39,705,841 × 39,705,841
  4. Step 4: Simplify right side
    18,279,575x = 1,576,553,809,517,281
  5. Step 5: Solve for x
    x = 1,576,553,809,517,281/18,279,575
  6. Step 6: Final answer
    x = 86,246,743.13

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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.