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Finding the Third Proportional to 63,292,868 and 129,941,080

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Solution

The third proportional to 63,292,868 and 129,941,080 is: 266,770,724.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,292,868 : 129,941,080 = 129,941,080 : x
  2. Step 2: Convert to fraction form
    63,292,868/129,941,080 = 129,941,080/x
  3. Step 3: Cross multiply
    63,292,868x = 129,941,080 × 129,941,080
  4. Step 4: Simplify right side
    63,292,868x = 16,884,684,271,566,400
  5. Step 5: Solve for x
    x = 16,884,684,271,566,400/63,292,868
  6. Step 6: Final answer
    x = 266,770,724.81

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.