Home / 128,906,779.50-204,454,154.25

Finding the Third Proportional to 128,906,779.50 and 204,454,154.25

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Solution

The third proportional to 128,906,779.50 and 204,454,154.25 is: 324,276,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,906,779.50 : 204,454,154.25 = 204,454,154.25 : x
  2. Step 2: Convert to fraction form
    128,906,779.50/204,454,154.25 = 204,454,154.25/x
  3. Step 3: Cross multiply
    128,906,779.50x = 204,454,154.25 × 204,454,154.25
  4. Step 4: Simplify right side
    128,906,779.50x = 41,801,501,190,082,792
  5. Step 5: Solve for x
    x = 41,801,501,190,082,792/128,906,779.50
  6. Step 6: Final answer
    x = 324,276,980.25

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.