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Finding the Third Proportional to 12,980,290 and 27,697,952

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Solution

The third proportional to 12,980,290 and 27,697,952 is: 59,103,189.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,980,290 : 27,697,952 = 27,697,952 : x
  2. Step 2: Convert to fraction form
    12,980,290/27,697,952 = 27,697,952/x
  3. Step 3: Cross multiply
    12,980,290x = 27,697,952 × 27,697,952
  4. Step 4: Simplify right side
    12,980,290x = 767,176,544,994,304
  5. Step 5: Solve for x
    x = 767,176,544,994,304/12,980,290
  6. Step 6: Final answer
    x = 59,103,189.91

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.