Home / 21,008,156,456.25-45,370,598,613.75

Finding the Third Proportional to 21,008,156,456.25 and 45,370,598,613.75

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Solution

The third proportional to 21,008,156,456.25 and 45,370,598,613.75 is: 97,985,333,594.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,008,156,456.25 : 45,370,598,613.75 = 45,370,598,613.75 : x
  2. Step 2: Convert to fraction form
    21,008,156,456.25/45,370,598,613.75 = 45,370,598,613.75/x
  3. Step 3: Cross multiply
    21,008,156,456.25x = 45,370,598,613.75 × 45,370,598,613.75
  4. Step 4: Simplify right side
    21,008,156,456.25x = 2,058,491,218,570,013,310,976
  5. Step 5: Solve for x
    x = 2,058,491,218,570,013,310,976/21,008,156,456.25
  6. Step 6: Final answer
    x = 97,985,333,594.45

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.