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Finding the Third Proportional to 81,066,142.50 and 125,476,764

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Solution

The third proportional to 81,066,142.50 and 125,476,764 is: 194,216,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,066,142.50 : 125,476,764 = 125,476,764 : x
  2. Step 2: Convert to fraction form
    81,066,142.50/125,476,764 = 125,476,764/x
  3. Step 3: Cross multiply
    81,066,142.50x = 125,476,764 × 125,476,764
  4. Step 4: Simplify right side
    81,066,142.50x = 15,744,418,303,911,696
  5. Step 5: Solve for x
    x = 15,744,418,303,911,696/81,066,142.50
  6. Step 6: Final answer
    x = 194,216,942.10

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.