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Finding the Third Proportional to 59,292,544 and 128,482,100

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Solution

The third proportional to 59,292,544 and 128,482,100 is: 278,410,216.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,292,544 : 128,482,100 = 128,482,100 : x
  2. Step 2: Convert to fraction form
    59,292,544/128,482,100 = 128,482,100/x
  3. Step 3: Cross multiply
    59,292,544x = 128,482,100 × 128,482,100
  4. Step 4: Simplify right side
    59,292,544x = 16,507,650,020,410,000
  5. Step 5: Solve for x
    x = 16,507,650,020,410,000/59,292,544
  6. Step 6: Final answer
    x = 278,410,216.64

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.