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Finding the Third Proportional to 408,045,999 and 885,370,309

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Solution

The third proportional to 408,045,999 and 885,370,309 is: 1,921,059,356.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,045,999 : 885,370,309 = 885,370,309 : x
  2. Step 2: Convert to fraction form
    408,045,999/885,370,309 = 885,370,309/x
  3. Step 3: Cross multiply
    408,045,999x = 885,370,309 × 885,370,309
  4. Step 4: Simplify right side
    408,045,999x = 783,880,584,058,755,456
  5. Step 5: Solve for x
    x = 783,880,584,058,755,456/408,045,999
  6. Step 6: Final answer
    x = 1,921,059,356.00

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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.