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Finding the Third Proportional to 124,767,032 and 278,221,992

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Solution

The third proportional to 124,767,032 and 278,221,992 is: 620,416,111.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,767,032 : 278,221,992 = 278,221,992 : x
  2. Step 2: Convert to fraction form
    124,767,032/278,221,992 = 278,221,992/x
  3. Step 3: Cross multiply
    124,767,032x = 278,221,992 × 278,221,992
  4. Step 4: Simplify right side
    124,767,032x = 77,407,476,832,448,064
  5. Step 5: Solve for x
    x = 77,407,476,832,448,064/124,767,032
  6. Step 6: Final answer
    x = 620,416,111.46

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.