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Finding the Third Proportional to 13,316,988,744 and 28,978,311,400

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Solution

The third proportional to 13,316,988,744 and 28,978,311,400 is: 63,057,989,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316,988,744 : 28,978,311,400 = 28,978,311,400 : x
  2. Step 2: Convert to fraction form
    13,316,988,744/28,978,311,400 = 28,978,311,400/x
  3. Step 3: Cross multiply
    13,316,988,744x = 28,978,311,400 × 28,978,311,400
  4. Step 4: Simplify right side
    13,316,988,744x = 839,742,531,595,369,971,712
  5. Step 5: Solve for x
    x = 839,742,531,595,369,971,712/13,316,988,744
  6. Step 6: Final answer
    x = 63,057,989,139.90

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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.