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Finding the Third Proportional to 1,819,506,870 and 3,929,529,036

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Solution

The third proportional to 1,819,506,870 and 3,929,529,036 is: 8,486,474,384.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,506,870 : 3,929,529,036 = 3,929,529,036 : x
  2. Step 2: Convert to fraction form
    1,819,506,870/3,929,529,036 = 3,929,529,036/x
  3. Step 3: Cross multiply
    1,819,506,870x = 3,929,529,036 × 3,929,529,036
  4. Step 4: Simplify right side
    1,819,506,870x = 15,441,198,444,767,088,640
  5. Step 5: Solve for x
    x = 15,441,198,444,767,088,640/1,819,506,870
  6. Step 6: Final answer
    x = 8,486,474,384.55

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.