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Finding the Third Proportional to 971,205 and 1,520,170

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Solution

The third proportional to 971,205 and 1,520,170 is: 2,379,432.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,205 : 1,520,170 = 1,520,170 : x
  2. Step 2: Convert to fraction form
    971,205/1,520,170 = 1,520,170/x
  3. Step 3: Cross multiply
    971,205x = 1,520,170 × 1,520,170
  4. Step 4: Simplify right side
    971,205x = 2,310,916,828,900
  5. Step 5: Solve for x
    x = 2,310,916,828,900/971,205
  6. Step 6: Final answer
    x = 2,379,432.59

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.