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Finding the Third Proportional to 15,347,938,609 and 33,398,459,056

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Solution

The third proportional to 15,347,938,609 and 33,398,459,056 is: 72,677,972,966.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,347,938,609 : 33,398,459,056 = 33,398,459,056 : x
  2. Step 2: Convert to fraction form
    15,347,938,609/33,398,459,056 = 33,398,459,056/x
  3. Step 3: Cross multiply
    15,347,938,609x = 33,398,459,056 × 33,398,459,056
  4. Step 4: Simplify right side
    15,347,938,609x = 1,115,457,067,315,308,396,544
  5. Step 5: Solve for x
    x = 1,115,457,067,315,308,396,544/15,347,938,609
  6. Step 6: Final answer
    x = 72,677,972,966.43

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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.