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Finding the Third Proportional to 445,478 and 971,377

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Solution

The third proportional to 445,478 and 971,377 is: 2,118,114.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,478 : 971,377 = 971,377 : x
  2. Step 2: Convert to fraction form
    445,478/971,377 = 971,377/x
  3. Step 3: Cross multiply
    445,478x = 971,377 × 971,377
  4. Step 4: Simplify right side
    445,478x = 943,573,276,129
  5. Step 5: Solve for x
    x = 943,573,276,129/445,478
  6. Step 6: Final answer
    x = 2,118,114.20

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.