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Finding the Third Proportional to 445,798 and 869,270

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Solution

The third proportional to 445,798 and 869,270 is: 1,695,006.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,798 : 869,270 = 869,270 : x
  2. Step 2: Convert to fraction form
    445,798/869,270 = 869,270/x
  3. Step 3: Cross multiply
    445,798x = 869,270 × 869,270
  4. Step 4: Simplify right side
    445,798x = 755,630,332,900
  5. Step 5: Solve for x
    x = 755,630,332,900/445,798
  6. Step 6: Final answer
    x = 1,695,006.11

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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.