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Finding the Third Proportional to 43,102,374 and 66,920,329

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Solution

The third proportional to 43,102,374 and 66,920,329 is: 103,899,855.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,102,374 : 66,920,329 = 66,920,329 : x
  2. Step 2: Convert to fraction form
    43,102,374/66,920,329 = 66,920,329/x
  3. Step 3: Cross multiply
    43,102,374x = 66,920,329 × 66,920,329
  4. Step 4: Simplify right side
    43,102,374x = 4,478,330,433,468,241
  5. Step 5: Solve for x
    x = 4,478,330,433,468,241/43,102,374
  6. Step 6: Final answer
    x = 103,899,855.57

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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.