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Finding the Third Proportional to 1,279,799,925 and 1,911,313,471

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Solution

The third proportional to 1,279,799,925 and 1,911,313,471 is: 2,854,445,537.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,799,925 : 1,911,313,471 = 1,911,313,471 : x
  2. Step 2: Convert to fraction form
    1,279,799,925/1,911,313,471 = 1,911,313,471/x
  3. Step 3: Cross multiply
    1,279,799,925x = 1,911,313,471 × 1,911,313,471
  4. Step 4: Simplify right side
    1,279,799,925x = 3,653,119,184,426,067,968
  5. Step 5: Solve for x
    x = 3,653,119,184,426,067,968/1,279,799,925
  6. Step 6: Final answer
    x = 2,854,445,537.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.