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Finding the Third Proportional to 19,637,376 and 40,638,208

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Solution

The third proportional to 19,637,376 and 40,638,208 is: 84,097,995.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637,376 : 40,638,208 = 40,638,208 : x
  2. Step 2: Convert to fraction form
    19,637,376/40,638,208 = 40,638,208/x
  3. Step 3: Cross multiply
    19,637,376x = 40,638,208 × 40,638,208
  4. Step 4: Simplify right side
    19,637,376x = 1,651,463,949,451,264
  5. Step 5: Solve for x
    x = 1,651,463,949,451,264/19,637,376
  6. Step 6: Final answer
    x = 84,097,995.04

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.