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Finding the Third Proportional to 676,445 and 1,408,863

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Solution

The third proportional to 676,445 and 1,408,863 is: 2,934,303.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,445 : 1,408,863 = 1,408,863 : x
  2. Step 2: Convert to fraction form
    676,445/1,408,863 = 1,408,863/x
  3. Step 3: Cross multiply
    676,445x = 1,408,863 × 1,408,863
  4. Step 4: Simplify right side
    676,445x = 1,984,894,952,769
  5. Step 5: Solve for x
    x = 1,984,894,952,769/676,445
  6. Step 6: Final answer
    x = 2,934,303.53

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.