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Finding the Third Proportional to 215,585,730 and 331,374,267

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Solution

The third proportional to 215,585,730 and 331,374,267 is: 509,351,453.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,585,730 : 331,374,267 = 331,374,267 : x
  2. Step 2: Convert to fraction form
    215,585,730/331,374,267 = 331,374,267/x
  3. Step 3: Cross multiply
    215,585,730x = 331,374,267 × 331,374,267
  4. Step 4: Simplify right side
    215,585,730x = 109,808,904,829,787,296
  5. Step 5: Solve for x
    x = 109,808,904,829,787,296/215,585,730
  6. Step 6: Final answer
    x = 509,351,453.04

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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.