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Finding the Third Proportional to 56,858,707 and 81,252,411

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Solution

The third proportional to 56,858,707 and 81,252,411 is: 116,111,579.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,858,707 : 81,252,411 = 81,252,411 : x
  2. Step 2: Convert to fraction form
    56,858,707/81,252,411 = 81,252,411/x
  3. Step 3: Cross multiply
    56,858,707x = 81,252,411 × 81,252,411
  4. Step 4: Simplify right side
    56,858,707x = 6,601,954,293,312,921
  5. Step 5: Solve for x
    x = 6,601,954,293,312,921/56,858,707
  6. Step 6: Final answer
    x = 116,111,579.77

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.