Home / 91,086,413.63-198,345,687.19

Finding the Third Proportional to 91,086,413.63 and 198,345,687.19

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Solution

The third proportional to 91,086,413.63 and 198,345,687.19 is: 431,908,668.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,086,413.63 : 198,345,687.19 = 198,345,687.19 : x
  2. Step 2: Convert to fraction form
    91,086,413.63/198,345,687.19 = 198,345,687.19/x
  3. Step 3: Cross multiply
    91,086,413.63x = 198,345,687.19 × 198,345,687.19
  4. Step 4: Simplify right side
    91,086,413.63x = 39,341,011,625,881,600
  5. Step 5: Solve for x
    x = 39,341,011,625,881,600/91,086,413.63
  6. Step 6: Final answer
    x = 431,908,668.49

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.