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Finding the Third Proportional to 18,349,857 and 39,889,602

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Solution

The third proportional to 18,349,857 and 39,889,602 is: 86,713,501.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,349,857 : 39,889,602 = 39,889,602 : x
  2. Step 2: Convert to fraction form
    18,349,857/39,889,602 = 39,889,602/x
  3. Step 3: Cross multiply
    18,349,857x = 39,889,602 × 39,889,602
  4. Step 4: Simplify right side
    18,349,857x = 1,591,180,347,718,404
  5. Step 5: Solve for x
    x = 1,591,180,347,718,404/18,349,857
  6. Step 6: Final answer
    x = 86,713,501.24

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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.