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Finding the Third Proportional to 8,636,487 and 18,601,581

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Solution

The third proportional to 8,636,487 and 18,601,581 is: 40,064,764.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,636,487 : 18,601,581 = 18,601,581 : x
  2. Step 2: Convert to fraction form
    8,636,487/18,601,581 = 18,601,581/x
  3. Step 3: Cross multiply
    8,636,487x = 18,601,581 × 18,601,581
  4. Step 4: Simplify right side
    8,636,487x = 346,018,815,699,561
  5. Step 5: Solve for x
    x = 346,018,815,699,561/8,636,487
  6. Step 6: Final answer
    x = 40,064,764.26

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.