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Finding the Third Proportional to 647,757,220 and 1,398,730,181

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Solution

The third proportional to 647,757,220 and 1,398,730,181 is: 3,020,338,575.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,757,220 : 1,398,730,181 = 1,398,730,181 : x
  2. Step 2: Convert to fraction form
    647,757,220/1,398,730,181 = 1,398,730,181/x
  3. Step 3: Cross multiply
    647,757,220x = 1,398,730,181 × 1,398,730,181
  4. Step 4: Simplify right side
    647,757,220x = 1,956,446,119,240,292,864
  5. Step 5: Solve for x
    x = 1,956,446,119,240,292,864/647,757,220
  6. Step 6: Final answer
    x = 3,020,338,575.68

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.