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Finding the Third Proportional to 31,557,618 and 47,210,544

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Solution

The third proportional to 31,557,618 and 47,210,544 is: 70,627,493.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,557,618 : 47,210,544 = 47,210,544 : x
  2. Step 2: Convert to fraction form
    31,557,618/47,210,544 = 47,210,544/x
  3. Step 3: Cross multiply
    31,557,618x = 47,210,544 × 47,210,544
  4. Step 4: Simplify right side
    31,557,618x = 2,228,835,464,775,936
  5. Step 5: Solve for x
    x = 2,228,835,464,775,936/31,557,618
  6. Step 6: Final answer
    x = 70,627,493.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.