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Finding the Third Proportional to 30,291,517.50 and 65,201,979

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Solution

The third proportional to 30,291,517.50 and 65,201,979 is: 140,346,156.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,291,517.50 : 65,201,979 = 65,201,979 : x
  2. Step 2: Convert to fraction form
    30,291,517.50/65,201,979 = 65,201,979/x
  3. Step 3: Cross multiply
    30,291,517.50x = 65,201,979 × 65,201,979
  4. Step 4: Simplify right side
    30,291,517.50x = 4,251,298,065,516,441
  5. Step 5: Solve for x
    x = 4,251,298,065,516,441/30,291,517.50
  6. Step 6: Final answer
    x = 140,346,156.82

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.