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Finding the Third Proportional to 40,032,417 and 87,405,379

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Solution

The third proportional to 40,032,417 and 87,405,379 is: 190,837,847.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,032,417 : 87,405,379 = 87,405,379 : x
  2. Step 2: Convert to fraction form
    40,032,417/87,405,379 = 87,405,379/x
  3. Step 3: Cross multiply
    40,032,417x = 87,405,379 × 87,405,379
  4. Step 4: Simplify right side
    40,032,417x = 7,639,700,278,133,641
  5. Step 5: Solve for x
    x = 7,639,700,278,133,641/40,032,417
  6. Step 6: Final answer
    x = 190,837,847.19

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.