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Finding the Third Proportional to 1,214,121,842 and 2,612,387,620

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Solution

The third proportional to 1,214,121,842 and 2,612,387,620 is: 5,620,991,931.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,121,842 : 2,612,387,620 = 2,612,387,620 : x
  2. Step 2: Convert to fraction form
    1,214,121,842/2,612,387,620 = 2,612,387,620/x
  3. Step 3: Cross multiply
    1,214,121,842x = 2,612,387,620 × 2,612,387,620
  4. Step 4: Simplify right side
    1,214,121,842x = 6,824,569,077,129,264,128
  5. Step 5: Solve for x
    x = 6,824,569,077,129,264,128/1,214,121,842
  6. Step 6: Final answer
    x = 5,620,991,931.00

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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.