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Finding the Third Proportional to 91,351,858 and 215,581,101

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Solution

The third proportional to 91,351,858 and 215,581,101 is: 508,749,489.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,351,858 : 215,581,101 = 215,581,101 : x
  2. Step 2: Convert to fraction form
    91,351,858/215,581,101 = 215,581,101/x
  3. Step 3: Cross multiply
    91,351,858x = 215,581,101 × 215,581,101
  4. Step 4: Simplify right side
    91,351,858x = 46,475,211,108,372,200
  5. Step 5: Solve for x
    x = 46,475,211,108,372,200/91,351,858
  6. Step 6: Final answer
    x = 508,749,489.35

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.