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Finding the Third Proportional to 218,819,612 and 346,495,314

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Solution

The third proportional to 218,819,612 and 346,495,314 is: 548,666,554.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,819,612 : 346,495,314 = 346,495,314 : x
  2. Step 2: Convert to fraction form
    218,819,612/346,495,314 = 346,495,314/x
  3. Step 3: Cross multiply
    218,819,612x = 346,495,314 × 346,495,314
  4. Step 4: Simplify right side
    218,819,612x = 120,059,002,623,958,592
  5. Step 5: Solve for x
    x = 120,059,002,623,958,592/218,819,612
  6. Step 6: Final answer
    x = 548,666,554.73

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.