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Finding the Third Proportional to 155,489,143.50 and 359,967,208.50

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Solution

The third proportional to 155,489,143.50 and 359,967,208.50 is: 833,346,870.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,489,143.50 : 359,967,208.50 = 359,967,208.50 : x
  2. Step 2: Convert to fraction form
    155,489,143.50/359,967,208.50 = 359,967,208.50/x
  3. Step 3: Cross multiply
    155,489,143.50x = 359,967,208.50 × 359,967,208.50
  4. Step 4: Simplify right side
    155,489,143.50x = 129,576,391,195,282,480
  5. Step 5: Solve for x
    x = 129,576,391,195,282,480/155,489,143.50
  6. Step 6: Final answer
    x = 833,346,870.90

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.