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Finding the Third Proportional to 8,774,478 and 13,560,015

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Solution

The third proportional to 8,774,478 and 13,560,015 is: 20,955,549.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774,478 : 13,560,015 = 13,560,015 : x
  2. Step 2: Convert to fraction form
    8,774,478/13,560,015 = 13,560,015/x
  3. Step 3: Cross multiply
    8,774,478x = 13,560,015 × 13,560,015
  4. Step 4: Simplify right side
    8,774,478x = 183,874,006,800,225
  5. Step 5: Solve for x
    x = 183,874,006,800,225/8,774,478
  6. Step 6: Final answer
    x = 20,955,549.36

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.