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Finding the Third Proportional to 187,517,323 and 403,835,660

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Solution

The third proportional to 187,517,323 and 403,835,660 is: 869,696,930.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,517,323 : 403,835,660 = 403,835,660 : x
  2. Step 2: Convert to fraction form
    187,517,323/403,835,660 = 403,835,660/x
  3. Step 3: Cross multiply
    187,517,323x = 403,835,660 × 403,835,660
  4. Step 4: Simplify right side
    187,517,323x = 163,083,240,287,635,584
  5. Step 5: Solve for x
    x = 163,083,240,287,635,584/187,517,323
  6. Step 6: Final answer
    x = 869,696,930.81

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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.