Home / 640,529,106.75-1,398,526,357.50

Finding the Third Proportional to 640,529,106.75 and 1,398,526,357.50

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Solution

The third proportional to 640,529,106.75 and 1,398,526,357.50 is: 3,053,531,763.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,529,106.75 : 1,398,526,357.50 = 1,398,526,357.50 : x
  2. Step 2: Convert to fraction form
    640,529,106.75/1,398,526,357.50 = 1,398,526,357.50/x
  3. Step 3: Cross multiply
    640,529,106.75x = 1,398,526,357.50 × 1,398,526,357.50
  4. Step 4: Simplify right side
    640,529,106.75x = 1,955,875,972,622,217,728
  5. Step 5: Solve for x
    x = 1,955,875,972,622,217,728/640,529,106.75
  6. Step 6: Final answer
    x = 3,053,531,763.05

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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.