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Finding the Third Proportional to 1,644,621 and 2,531,156

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Solution

The third proportional to 1,644,621 and 2,531,156 is: 3,895,578.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,621 : 2,531,156 = 2,531,156 : x
  2. Step 2: Convert to fraction form
    1,644,621/2,531,156 = 2,531,156/x
  3. Step 3: Cross multiply
    1,644,621x = 2,531,156 × 2,531,156
  4. Step 4: Simplify right side
    1,644,621x = 6,406,750,696,336
  5. Step 5: Solve for x
    x = 6,406,750,696,336/1,644,621
  6. Step 6: Final answer
    x = 3,895,578.80

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.