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Finding the Third Proportional to 45,942,764.63 and 71,172,907.88

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Solution

The third proportional to 45,942,764.63 and 71,172,907.88 is: 110,258,554.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,942,764.63 : 71,172,907.88 = 71,172,907.88 : x
  2. Step 2: Convert to fraction form
    45,942,764.63/71,172,907.88 = 71,172,907.88/x
  3. Step 3: Cross multiply
    45,942,764.63x = 71,172,907.88 × 71,172,907.88
  4. Step 4: Simplify right side
    45,942,764.63x = 5,065,582,815,383,237
  5. Step 5: Solve for x
    x = 5,065,582,815,383,237/45,942,764.63
  6. Step 6: Final answer
    x = 110,258,554.46

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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.