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Finding the Third Proportional to 57,748,154 and 128,407,864

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Solution

The third proportional to 57,748,154 and 128,407,864 is: 285,525,655.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,748,154 : 128,407,864 = 128,407,864 : x
  2. Step 2: Convert to fraction form
    57,748,154/128,407,864 = 128,407,864/x
  3. Step 3: Cross multiply
    57,748,154x = 128,407,864 × 128,407,864
  4. Step 4: Simplify right side
    57,748,154x = 16,488,579,537,042,496
  5. Step 5: Solve for x
    x = 16,488,579,537,042,496/57,748,154
  6. Step 6: Final answer
    x = 285,525,655.71

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.