Home / 30,189,385.13-66,309,561.19

Finding the Third Proportional to 30,189,385.13 and 66,309,561.19

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Solution

The third proportional to 30,189,385.13 and 66,309,561.19 is: 145,645,825.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,189,385.13 : 66,309,561.19 = 66,309,561.19 : x
  2. Step 2: Convert to fraction form
    30,189,385.13/66,309,561.19 = 66,309,561.19/x
  3. Step 3: Cross multiply
    30,189,385.13x = 66,309,561.19 × 66,309,561.19
  4. Step 4: Simplify right side
    30,189,385.13x = 4,396,957,904,878,806.50
  5. Step 5: Solve for x
    x = 4,396,957,904,878,806.50/30,189,385.13
  6. Step 6: Final answer
    x = 145,645,825.07

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.