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Finding the Third Proportional to 780,020,469,564 and 1,581,973,338,500

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Solution

The third proportional to 780,020,469,564 and 1,581,973,338,500 is: 3,208,428,164,870.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,020,469,564 : 1,581,973,338,500 = 1,581,973,338,500 : x
  2. Step 2: Convert to fraction form
    780,020,469,564/1,581,973,338,500 = 1,581,973,338,500/x
  3. Step 3: Cross multiply
    780,020,469,564x = 1,581,973,338,500 × 1,581,973,338,500
  4. Step 4: Simplify right side
    780,020,469,564x = 2,502,639,643,724,835,845,046,272
  5. Step 5: Solve for x
    x = 2,502,639,643,724,835,845,046,272/780,020,469,564
  6. Step 6: Final answer
    x = 3,208,428,164,870.74

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.