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Finding the Third Proportional to 15,603,628.50 and 20,704,347

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Solution

The third proportional to 15,603,628.50 and 20,704,347 is: 27,472,455.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,603,628.50 : 20,704,347 = 20,704,347 : x
  2. Step 2: Convert to fraction form
    15,603,628.50/20,704,347 = 20,704,347/x
  3. Step 3: Cross multiply
    15,603,628.50x = 20,704,347 × 20,704,347
  4. Step 4: Simplify right side
    15,603,628.50x = 428,669,984,696,409
  5. Step 5: Solve for x
    x = 428,669,984,696,409/15,603,628.50
  6. Step 6: Final answer
    x = 27,472,455.19

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.