Home / 639,214,989,129.75-1,390,957,594,535.20

Finding the Third Proportional to 639,214,989,129.75 and 1,390,957,594,535.20

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Solution

The third proportional to 639,214,989,129.75 and 1,390,957,594,535.20 is: 3,026,779,820,087.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,214,989,129.75 : 1,390,957,594,535.20 = 1,390,957,594,535.20 : x
  2. Step 2: Convert to fraction form
    639,214,989,129.75/1,390,957,594,535.20 = 1,390,957,594,535.20/x
  3. Step 3: Cross multiply
    639,214,989,129.75x = 1,390,957,594,535.20 × 1,390,957,594,535.20
  4. Step 4: Simplify right side
    639,214,989,129.75x = 1,934,763,029,795,149,604,454,400
  5. Step 5: Solve for x
    x = 1,934,763,029,795,149,604,454,400/639,214,989,129.75
  6. Step 6: Final answer
    x = 3,026,779,820,087.14

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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.