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Finding the Third Proportional to 7,125,720,030 and 15,354,969,642

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Solution

The third proportional to 7,125,720,030 and 15,354,969,642 is: 33,087,897,323.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125,720,030 : 15,354,969,642 = 15,354,969,642 : x
  2. Step 2: Convert to fraction form
    7,125,720,030/15,354,969,642 = 15,354,969,642/x
  3. Step 3: Cross multiply
    7,125,720,030x = 15,354,969,642 × 15,354,969,642
  4. Step 4: Simplify right side
    7,125,720,030x = 235,775,092,706,741,616,640
  5. Step 5: Solve for x
    x = 235,775,092,706,741,616,640/7,125,720,030
  6. Step 6: Final answer
    x = 33,087,897,323.23

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.