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Finding the Third Proportional to 8,517,211,374 and 18,637,315,308

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Solution

The third proportional to 8,517,211,374 and 18,637,315,308 is: 40,782,071,342.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517,211,374 : 18,637,315,308 = 18,637,315,308 : x
  2. Step 2: Convert to fraction form
    8,517,211,374/18,637,315,308 = 18,637,315,308/x
  3. Step 3: Cross multiply
    8,517,211,374x = 18,637,315,308 × 18,637,315,308
  4. Step 4: Simplify right side
    8,517,211,374x = 347,349,521,889,811,103,744
  5. Step 5: Solve for x
    x = 347,349,521,889,811,103,744/8,517,211,374
  6. Step 6: Final answer
    x = 40,782,071,342.05

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.