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Finding the Third Proportional to 1,796,478,651 and 3,931,612,740

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Solution

The third proportional to 1,796,478,651 and 3,931,612,740 is: 8,604,376,527.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,478,651 : 3,931,612,740 = 3,931,612,740 : x
  2. Step 2: Convert to fraction form
    1,796,478,651/3,931,612,740 = 3,931,612,740/x
  3. Step 3: Cross multiply
    1,796,478,651x = 3,931,612,740 × 3,931,612,740
  4. Step 4: Simplify right side
    1,796,478,651x = 15,457,578,737,330,307,072
  5. Step 5: Solve for x
    x = 15,457,578,737,330,307,072/1,796,478,651
  6. Step 6: Final answer
    x = 8,604,376,527.78

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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.