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Finding the Third Proportional to 13,316,982,429 and 28,978,290,219

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Solution

The third proportional to 13,316,982,429 and 28,978,290,219 is: 63,057,926,860.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316,982,429 : 28,978,290,219 = 28,978,290,219 : x
  2. Step 2: Convert to fraction form
    13,316,982,429/28,978,290,219 = 28,978,290,219/x
  3. Step 3: Cross multiply
    13,316,982,429x = 28,978,290,219 × 28,978,290,219
  4. Step 4: Simplify right side
    13,316,982,429x = 839,741,304,016,591,126,528
  5. Step 5: Solve for x
    x = 839,741,304,016,591,126,528/13,316,982,429
  6. Step 6: Final answer
    x = 63,057,926,860.96

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.