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Finding the Third Proportional to 63,021,435 and 136,798,590

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Solution

The third proportional to 63,021,435 and 136,798,590 is: 296,944,273.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,021,435 : 136,798,590 = 136,798,590 : x
  2. Step 2: Convert to fraction form
    63,021,435/136,798,590 = 136,798,590/x
  3. Step 3: Cross multiply
    63,021,435x = 136,798,590 × 136,798,590
  4. Step 4: Simplify right side
    63,021,435x = 18,713,854,225,988,100
  5. Step 5: Solve for x
    x = 18,713,854,225,988,100/63,021,435
  6. Step 6: Final answer
    x = 296,944,273.42

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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.