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Finding the Third Proportional to 748,692,922 and 1,615,764,212

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Solution

The third proportional to 748,692,922 and 1,615,764,212 is: 3,487,002,363.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,692,922 : 1,615,764,212 = 1,615,764,212 : x
  2. Step 2: Convert to fraction form
    748,692,922/1,615,764,212 = 1,615,764,212/x
  3. Step 3: Cross multiply
    748,692,922x = 1,615,764,212 × 1,615,764,212
  4. Step 4: Simplify right side
    748,692,922x = 2,610,693,988,779,980,800
  5. Step 5: Solve for x
    x = 2,610,693,988,779,980,800/748,692,922
  6. Step 6: Final answer
    x = 3,487,002,363.81

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.