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Finding the Third Proportional to 18,211,265 and 39,018,659

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Solution

The third proportional to 18,211,265 and 39,018,659 is: 83,599,670.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211,265 : 39,018,659 = 39,018,659 : x
  2. Step 2: Convert to fraction form
    18,211,265/39,018,659 = 39,018,659/x
  3. Step 3: Cross multiply
    18,211,265x = 39,018,659 × 39,018,659
  4. Step 4: Simplify right side
    18,211,265x = 1,522,455,750,158,281
  5. Step 5: Solve for x
    x = 1,522,455,750,158,281/18,211,265
  6. Step 6: Final answer
    x = 83,599,670.32

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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.