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Finding the Third Proportional to 979,539,642 and 2,131,259,526

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Solution

The third proportional to 979,539,642 and 2,131,259,526 is: 4,637,144,810.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,539,642 : 2,131,259,526 = 2,131,259,526 : x
  2. Step 2: Convert to fraction form
    979,539,642/2,131,259,526 = 2,131,259,526/x
  3. Step 3: Cross multiply
    979,539,642x = 2,131,259,526 × 2,131,259,526
  4. Step 4: Simplify right side
    979,539,642x = 4,542,267,167,165,744,640
  5. Step 5: Solve for x
    x = 4,542,267,167,165,744,640/979,539,642
  6. Step 6: Final answer
    x = 4,637,144,810.08

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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.