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Finding the Third Proportional to 59,292,554 and 128,482,120

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Solution

The third proportional to 59,292,554 and 128,482,120 is: 278,410,256.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,292,554 : 128,482,120 = 128,482,120 : x
  2. Step 2: Convert to fraction form
    59,292,554/128,482,120 = 128,482,120/x
  3. Step 3: Cross multiply
    59,292,554x = 128,482,120 × 128,482,120
  4. Step 4: Simplify right side
    59,292,554x = 16,507,655,159,694,400
  5. Step 5: Solve for x
    x = 16,507,655,159,694,400/59,292,554
  6. Step 6: Final answer
    x = 278,410,256.37

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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.