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Finding the Third Proportional to 982,448,045.25 and 2,130,660,018.75

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Solution

The third proportional to 982,448,045.25 and 2,130,660,018.75 is: 4,620,816,477.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,448,045.25 : 2,130,660,018.75 = 2,130,660,018.75 : x
  2. Step 2: Convert to fraction form
    982,448,045.25/2,130,660,018.75 = 2,130,660,018.75/x
  3. Step 3: Cross multiply
    982,448,045.25x = 2,130,660,018.75 × 2,130,660,018.75
  4. Step 4: Simplify right side
    982,448,045.25x = 4,539,712,115,499,750,400
  5. Step 5: Solve for x
    x = 4,539,712,115,499,750,400/982,448,045.25
  6. Step 6: Final answer
    x = 4,620,816,477.22

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.