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Finding the Third Proportional to 121,166,040 and 260,807,856

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Solution

The third proportional to 121,166,040 and 260,807,856 is: 561,384,508.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,166,040 : 260,807,856 = 260,807,856 : x
  2. Step 2: Convert to fraction form
    121,166,040/260,807,856 = 260,807,856/x
  3. Step 3: Cross multiply
    121,166,040x = 260,807,856 × 260,807,856
  4. Step 4: Simplify right side
    121,166,040x = 68,020,737,751,316,736
  5. Step 5: Solve for x
    x = 68,020,737,751,316,736/121,166,040
  6. Step 6: Final answer
    x = 561,384,508.00

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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.