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Finding the Third Proportional to 155,215,629 and 337,987,479

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Solution

The third proportional to 155,215,629 and 337,987,479 is: 735,979,596.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,215,629 : 337,987,479 = 337,987,479 : x
  2. Step 2: Convert to fraction form
    155,215,629/337,987,479 = 337,987,479/x
  3. Step 3: Cross multiply
    155,215,629x = 337,987,479 × 337,987,479
  4. Step 4: Simplify right side
    155,215,629x = 114,235,535,960,775,440
  5. Step 5: Solve for x
    x = 114,235,535,960,775,440/155,215,629
  6. Step 6: Final answer
    x = 735,979,596.23

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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.