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Finding the Third Proportional to 21,232,539 and 46,439,178.75

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Solution

The third proportional to 21,232,539 and 46,439,178.75 is: 101,570,392.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,232,539 : 46,439,178.75 = 46,439,178.75 : x
  2. Step 2: Convert to fraction form
    21,232,539/46,439,178.75 = 46,439,178.75/x
  3. Step 3: Cross multiply
    21,232,539x = 46,439,178.75 × 46,439,178.75
  4. Step 4: Simplify right side
    21,232,539x = 2,156,597,322,974,451.50
  5. Step 5: Solve for x
    x = 2,156,597,322,974,451.50/21,232,539
  6. Step 6: Final answer
    x = 101,570,392.64

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.