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Finding the Third Proportional to 673,386 and 908,520

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Solution

The third proportional to 673,386 and 908,520 is: 1,225,758.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,386 : 908,520 = 908,520 : x
  2. Step 2: Convert to fraction form
    673,386/908,520 = 908,520/x
  3. Step 3: Cross multiply
    673,386x = 908,520 × 908,520
  4. Step 4: Simplify right side
    673,386x = 825,408,590,400
  5. Step 5: Solve for x
    x = 825,408,590,400/673,386
  6. Step 6: Final answer
    x = 1,225,758.47

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.