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Finding the Third Proportional to 408,046,383 and 885,371,076

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Solution

The third proportional to 408,046,383 and 885,371,076 is: 1,921,060,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,046,383 : 885,371,076 = 885,371,076 : x
  2. Step 2: Convert to fraction form
    408,046,383/885,371,076 = 885,371,076/x
  3. Step 3: Cross multiply
    408,046,383x = 885,371,076 × 885,371,076
  4. Step 4: Simplify right side
    408,046,383x = 783,881,942,217,397,760
  5. Step 5: Solve for x
    x = 783,881,942,217,397,760/408,046,383
  6. Step 6: Final answer
    x = 1,921,060,876.60

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.