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Finding the Third Proportional to 91,258,263 and 139,185,932.63

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Solution

The third proportional to 91,258,263 and 139,185,932.63 is: 212,284,599.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,258,263 : 139,185,932.63 = 139,185,932.63 : x
  2. Step 2: Convert to fraction form
    91,258,263/139,185,932.63 = 139,185,932.63/x
  3. Step 3: Cross multiply
    91,258,263x = 139,185,932.63 × 139,185,932.63
  4. Step 4: Simplify right side
    91,258,263x = 19,372,723,840,691,040
  5. Step 5: Solve for x
    x = 19,372,723,840,691,040/91,258,263
  6. Step 6: Final answer
    x = 212,284,599.81

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.