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Finding the Third Proportional to 328,891,802 and 731,318,621

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Solution

The third proportional to 328,891,802 and 731,318,621 is: 1,626,148,545.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,891,802 : 731,318,621 = 731,318,621 : x
  2. Step 2: Convert to fraction form
    328,891,802/731,318,621 = 731,318,621/x
  3. Step 3: Cross multiply
    328,891,802x = 731,318,621 × 731,318,621
  4. Step 4: Simplify right side
    328,891,802x = 534,826,925,421,341,632
  5. Step 5: Solve for x
    x = 534,826,925,421,341,632/328,891,802
  6. Step 6: Final answer
    x = 1,626,148,545.42

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.