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Finding the Third Proportional to 199,603,554 and 436,835,389

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Solution

The third proportional to 199,603,554 and 436,835,389 is: 956,020,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,603,554 : 436,835,389 = 436,835,389 : x
  2. Step 2: Convert to fraction form
    199,603,554/436,835,389 = 436,835,389/x
  3. Step 3: Cross multiply
    199,603,554x = 436,835,389 × 436,835,389
  4. Step 4: Simplify right side
    199,603,554x = 190,825,157,082,781,312
  5. Step 5: Solve for x
    x = 190,825,157,082,781,312/199,603,554
  6. Step 6: Final answer
    x = 956,020,838.60

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.