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Finding the Third Proportional to 1,211,829,636 and 1,842,178,451

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Solution

The third proportional to 1,211,829,636 and 1,842,178,451 is: 2,800,411,332.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,829,636 : 1,842,178,451 = 1,842,178,451 : x
  2. Step 2: Convert to fraction form
    1,211,829,636/1,842,178,451 = 1,842,178,451/x
  3. Step 3: Cross multiply
    1,211,829,636x = 1,842,178,451 × 1,842,178,451
  4. Step 4: Simplify right side
    1,211,829,636x = 3,393,621,445,328,759,296
  5. Step 5: Solve for x
    x = 3,393,621,445,328,759,296/1,211,829,636
  6. Step 6: Final answer
    x = 2,800,411,332.18

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.