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Finding the Third Proportional to 153,685,460 and 236,079,660

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Solution

The third proportional to 153,685,460 and 236,079,660 is: 362,647,226.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,685,460 : 236,079,660 = 236,079,660 : x
  2. Step 2: Convert to fraction form
    153,685,460/236,079,660 = 236,079,660/x
  3. Step 3: Cross multiply
    153,685,460x = 236,079,660 × 236,079,660
  4. Step 4: Simplify right side
    153,685,460x = 55,733,605,865,715,600
  5. Step 5: Solve for x
    x = 55,733,605,865,715,600/153,685,460
  6. Step 6: Final answer
    x = 362,647,226.78

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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.