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Finding the Third Proportional to 21,016,807 and 45,275,758

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Solution

The third proportional to 21,016,807 and 45,275,758 is: 97,535,951.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,016,807 : 45,275,758 = 45,275,758 : x
  2. Step 2: Convert to fraction form
    21,016,807/45,275,758 = 45,275,758/x
  3. Step 3: Cross multiply
    21,016,807x = 45,275,758 × 45,275,758
  4. Step 4: Simplify right side
    21,016,807x = 2,049,894,262,474,564
  5. Step 5: Solve for x
    x = 2,049,894,262,474,564/21,016,807
  6. Step 6: Final answer
    x = 97,535,951.23

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.