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Finding the Third Proportional to 121,279,104 and 186,602,880

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Solution

The third proportional to 121,279,104 and 186,602,880 is: 287,111,577.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,279,104 : 186,602,880 = 186,602,880 : x
  2. Step 2: Convert to fraction form
    121,279,104/186,602,880 = 186,602,880/x
  3. Step 3: Cross multiply
    121,279,104x = 186,602,880 × 186,602,880
  4. Step 4: Simplify right side
    121,279,104x = 34,820,634,824,294,400
  5. Step 5: Solve for x
    x = 34,820,634,824,294,400/121,279,104
  6. Step 6: Final answer
    x = 287,111,577.15

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.