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Finding the Third Proportional to 18,867,952 and 40,426,735

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Solution

The third proportional to 18,867,952 and 40,426,735 is: 86,618,881.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,867,952 : 40,426,735 = 40,426,735 : x
  2. Step 2: Convert to fraction form
    18,867,952/40,426,735 = 40,426,735/x
  3. Step 3: Cross multiply
    18,867,952x = 40,426,735 × 40,426,735
  4. Step 4: Simplify right side
    18,867,952x = 1,634,320,902,760,225
  5. Step 5: Solve for x
    x = 1,634,320,902,760,225/18,867,952
  6. Step 6: Final answer
    x = 86,618,881.73

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.