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Finding the Third Proportional to 9,679,290.75 and 21,065,535

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Solution

The third proportional to 9,679,290.75 and 21,065,535 is: 45,846,000.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,679,290.75 : 21,065,535 = 21,065,535 : x
  2. Step 2: Convert to fraction form
    9,679,290.75/21,065,535 = 21,065,535/x
  3. Step 3: Cross multiply
    9,679,290.75x = 21,065,535 × 21,065,535
  4. Step 4: Simplify right side
    9,679,290.75x = 443,756,764,836,225
  5. Step 5: Solve for x
    x = 443,756,764,836,225/9,679,290.75
  6. Step 6: Final answer
    x = 45,846,000.11

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.