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Finding the Third Proportional to 187,517,325 and 403,835,664

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Solution

The third proportional to 187,517,325 and 403,835,664 is: 869,696,938.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,517,325 : 403,835,664 = 403,835,664 : x
  2. Step 2: Convert to fraction form
    187,517,325/403,835,664 = 403,835,664/x
  3. Step 3: Cross multiply
    187,517,325x = 403,835,664 × 403,835,664
  4. Step 4: Simplify right side
    187,517,325x = 163,083,243,518,320,896
  5. Step 5: Solve for x
    x = 163,083,243,518,320,896/187,517,325
  6. Step 6: Final answer
    x = 869,696,938.77

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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.