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Finding the Third Proportional to 690,323,112 and 1,483,102,808

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Solution

The third proportional to 690,323,112 and 1,483,102,808 is: 3,186,325,216.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,323,112 : 1,483,102,808 = 1,483,102,808 : x
  2. Step 2: Convert to fraction form
    690,323,112/1,483,102,808 = 1,483,102,808/x
  3. Step 3: Cross multiply
    690,323,112x = 1,483,102,808 × 1,483,102,808
  4. Step 4: Simplify right side
    690,323,112x = 2,199,593,939,097,484,800
  5. Step 5: Solve for x
    x = 2,199,593,939,097,484,800/690,323,112
  6. Step 6: Final answer
    x = 3,186,325,216.21

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.