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Finding the Third Proportional to 91,351,867.50 and 215,581,126.50

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Solution

The third proportional to 91,351,867.50 and 215,581,126.50 is: 508,749,556.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,351,867.50 : 215,581,126.50 = 215,581,126.50 : x
  2. Step 2: Convert to fraction form
    91,351,867.50/215,581,126.50 = 215,581,126.50/x
  3. Step 3: Cross multiply
    91,351,867.50x = 215,581,126.50 × 215,581,126.50
  4. Step 4: Simplify right side
    91,351,867.50x = 46,475,222,103,009,000
  5. Step 5: Solve for x
    x = 46,475,222,103,009,000/91,351,867.50
  6. Step 6: Final answer
    x = 508,749,556.79

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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.