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Finding the Third Proportional to 979,539,658.50 and 2,131,259,559

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Solution

The third proportional to 979,539,658.50 and 2,131,259,559 is: 4,637,144,875.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,539,658.50 : 2,131,259,559 = 2,131,259,559 : x
  2. Step 2: Convert to fraction form
    979,539,658.50/2,131,259,559 = 2,131,259,559/x
  3. Step 3: Cross multiply
    979,539,658.50x = 2,131,259,559 × 2,131,259,559
  4. Step 4: Simplify right side
    979,539,658.50x = 4,542,267,307,828,874,240
  5. Step 5: Solve for x
    x = 4,542,267,307,828,874,240/979,539,658.50
  6. Step 6: Final answer
    x = 4,637,144,875.57

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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.