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Finding the Third Proportional to 56,641,381 and 121,998,255

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Solution

The third proportional to 56,641,381 and 121,998,255 is: 262,768,561.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,641,381 : 121,998,255 = 121,998,255 : x
  2. Step 2: Convert to fraction form
    56,641,381/121,998,255 = 121,998,255/x
  3. Step 3: Cross multiply
    56,641,381x = 121,998,255 × 121,998,255
  4. Step 4: Simplify right side
    56,641,381x = 14,883,574,223,045,024
  5. Step 5: Solve for x
    x = 14,883,574,223,045,024/56,641,381
  6. Step 6: Final answer
    x = 262,768,561.79

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.