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Finding the Third Proportional to 63,021,429 and 136,798,578

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Solution

The third proportional to 63,021,429 and 136,798,578 is: 296,944,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,021,429 : 136,798,578 = 136,798,578 : x
  2. Step 2: Convert to fraction form
    63,021,429/136,798,578 = 136,798,578/x
  3. Step 3: Cross multiply
    63,021,429x = 136,798,578 × 136,798,578
  4. Step 4: Simplify right side
    63,021,429x = 18,713,850,942,822,084
  5. Step 5: Solve for x
    x = 18,713,850,942,822,084/63,021,429
  6. Step 6: Final answer
    x = 296,944,249.60

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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.