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Finding the Third Proportional to 88,498,881 and 138,828,559.50

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Solution

The third proportional to 88,498,881 and 138,828,559.50 is: 217,780,933.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,498,881 : 138,828,559.50 = 138,828,559.50 : x
  2. Step 2: Convert to fraction form
    88,498,881/138,828,559.50 = 138,828,559.50/x
  3. Step 3: Cross multiply
    88,498,881x = 138,828,559.50 × 138,828,559.50
  4. Step 4: Simplify right side
    88,498,881x = 19,273,368,932,845,040
  5. Step 5: Solve for x
    x = 19,273,368,932,845,040/88,498,881
  6. Step 6: Final answer
    x = 217,780,933.67

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.