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Finding the Third Proportional to 8,687,529 and 12,985,368

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Solution

The third proportional to 8,687,529 and 12,985,368 is: 19,409,406.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,687,529 : 12,985,368 = 12,985,368 : x
  2. Step 2: Convert to fraction form
    8,687,529/12,985,368 = 12,985,368/x
  3. Step 3: Cross multiply
    8,687,529x = 12,985,368 × 12,985,368
  4. Step 4: Simplify right side
    8,687,529x = 168,619,782,095,424
  5. Step 5: Solve for x
    x = 168,619,782,095,424/8,687,529
  6. Step 6: Final answer
    x = 19,409,406.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.