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Finding the Third Proportional to 18,403,050 and 38,709,875

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Solution

The third proportional to 18,403,050 and 38,709,875 is: 81,424,243.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403,050 : 38,709,875 = 38,709,875 : x
  2. Step 2: Convert to fraction form
    18,403,050/38,709,875 = 38,709,875/x
  3. Step 3: Cross multiply
    18,403,050x = 38,709,875 × 38,709,875
  4. Step 4: Simplify right side
    18,403,050x = 1,498,454,422,515,625
  5. Step 5: Solve for x
    x = 1,498,454,422,515,625/18,403,050
  6. Step 6: Final answer
    x = 81,424,243.40

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.