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Finding the Third Proportional to 121,343,753 and 262,080,607

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Solution

The third proportional to 121,343,753 and 262,080,607 is: 566,046,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,343,753 : 262,080,607 = 262,080,607 : x
  2. Step 2: Convert to fraction form
    121,343,753/262,080,607 = 262,080,607/x
  3. Step 3: Cross multiply
    121,343,753x = 262,080,607 × 262,080,607
  4. Step 4: Simplify right side
    121,343,753x = 68,686,244,565,488,448
  5. Step 5: Solve for x
    x = 68,686,244,565,488,448/121,343,753
  6. Step 6: Final answer
    x = 566,046,812.20

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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.