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Finding the Third Proportional to 445,803 and 869,282

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Solution

The third proportional to 445,803 and 869,282 is: 1,695,033.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,803 : 869,282 = 869,282 : x
  2. Step 2: Convert to fraction form
    445,803/869,282 = 869,282/x
  3. Step 3: Cross multiply
    445,803x = 869,282 × 869,282
  4. Step 4: Simplify right side
    445,803x = 755,651,195,524
  5. Step 5: Solve for x
    x = 755,651,195,524/445,803
  6. Step 6: Final answer
    x = 1,695,033.90

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.