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Finding the Third Proportional to 215,017,672 and 332,031,953

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Solution

The third proportional to 215,017,672 and 332,031,953 is: 512,726,311.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,017,672 : 332,031,953 = 332,031,953 : x
  2. Step 2: Convert to fraction form
    215,017,672/332,031,953 = 332,031,953/x
  3. Step 3: Cross multiply
    215,017,672x = 332,031,953 × 332,031,953
  4. Step 4: Simplify right side
    215,017,672x = 110,245,217,812,994,208
  5. Step 5: Solve for x
    x = 110,245,217,812,994,208/215,017,672
  6. Step 6: Final answer
    x = 512,726,311.23

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.