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Finding the Third Proportional to 45,435,339 and 70,486,544

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Solution

The third proportional to 45,435,339 and 70,486,544 is: 109,349,968.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,435,339 : 70,486,544 = 70,486,544 : x
  2. Step 2: Convert to fraction form
    45,435,339/70,486,544 = 70,486,544/x
  3. Step 3: Cross multiply
    45,435,339x = 70,486,544 × 70,486,544
  4. Step 4: Simplify right side
    45,435,339x = 4,968,352,885,063,936
  5. Step 5: Solve for x
    x = 4,968,352,885,063,936/45,435,339
  6. Step 6: Final answer
    x = 109,349,968.43

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.