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Finding the Third Proportional to 353,879,020.50 and 775,782,487.50

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Solution

The third proportional to 353,879,020.50 and 775,782,487.50 is: 1,700,689,877.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,879,020.50 : 775,782,487.50 = 775,782,487.50 : x
  2. Step 2: Convert to fraction form
    353,879,020.50/775,782,487.50 = 775,782,487.50/x
  3. Step 3: Cross multiply
    353,879,020.50x = 775,782,487.50 × 775,782,487.50
  4. Step 4: Simplify right side
    353,879,020.50x = 601,838,467,911,687,680
  5. Step 5: Solve for x
    x = 601,838,467,911,687,680/353,879,020.50
  6. Step 6: Final answer
    x = 1,700,689,877.18

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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.