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Finding the Third Proportional to 91,450,944 and 197,259,840

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Solution

The third proportional to 91,450,944 and 197,259,840 is: 425,489,806.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,450,944 : 197,259,840 = 197,259,840 : x
  2. Step 2: Convert to fraction form
    91,450,944/197,259,840 = 197,259,840/x
  3. Step 3: Cross multiply
    91,450,944x = 197,259,840 × 197,259,840
  4. Step 4: Simplify right side
    91,450,944x = 38,911,444,476,825,600
  5. Step 5: Solve for x
    x = 38,911,444,476,825,600/91,450,944
  6. Step 6: Final answer
    x = 425,489,806.61

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.