Home / 209,683,028.53-328,214,069.72

Finding the Third Proportional to 209,683,028.53 and 328,214,069.72

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Solution

The third proportional to 209,683,028.53 and 328,214,069.72 is: 513,749,139.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,683,028.53 : 328,214,069.72 = 328,214,069.72 : x
  2. Step 2: Convert to fraction form
    209,683,028.53/328,214,069.72 = 328,214,069.72/x
  3. Step 3: Cross multiply
    209,683,028.53x = 328,214,069.72 × 328,214,069.72
  4. Step 4: Simplify right side
    209,683,028.53x = 107,724,475,561,344,480
  5. Step 5: Solve for x
    x = 107,724,475,561,344,480/209,683,028.53
  6. Step 6: Final answer
    x = 513,749,139.91

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.