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Finding the Third Proportional to 11,428,629 and 15,521,311.50

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Solution

The third proportional to 11,428,629 and 15,521,311.50 is: 21,079,616.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,428,629 : 15,521,311.50 = 15,521,311.50 : x
  2. Step 2: Convert to fraction form
    11,428,629/15,521,311.50 = 15,521,311.50/x
  3. Step 3: Cross multiply
    11,428,629x = 15,521,311.50 × 15,521,311.50
  4. Step 4: Simplify right side
    11,428,629x = 240,911,110,680,032.25
  5. Step 5: Solve for x
    x = 240,911,110,680,032.25/11,428,629
  6. Step 6: Final answer
    x = 21,079,616.00

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.