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Finding the Third Proportional to 79,655,981 and 120,216,738

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Solution

The third proportional to 79,655,981 and 120,216,738 is: 181,430,997.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,655,981 : 120,216,738 = 120,216,738 : x
  2. Step 2: Convert to fraction form
    79,655,981/120,216,738 = 120,216,738/x
  3. Step 3: Cross multiply
    79,655,981x = 120,216,738 × 120,216,738
  4. Step 4: Simplify right side
    79,655,981x = 14,452,064,095,360,644
  5. Step 5: Solve for x
    x = 14,452,064,095,360,644/79,655,981
  6. Step 6: Final answer
    x = 181,430,997.57

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.