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Finding the Third Proportional to 7,572,943,040 and 11,317,029,679

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Solution

The third proportional to 7,572,943,040 and 11,317,029,679 is: 16,912,204,420.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572,943,040 : 11,317,029,679 = 11,317,029,679 : x
  2. Step 2: Convert to fraction form
    7,572,943,040/11,317,029,679 = 11,317,029,679/x
  3. Step 3: Cross multiply
    7,572,943,040x = 11,317,029,679 × 11,317,029,679
  4. Step 4: Simplify right side
    7,572,943,040x = 128,075,160,755,366,838,272
  5. Step 5: Solve for x
    x = 128,075,160,755,366,838,272/7,572,943,040
  6. Step 6: Final answer
    x = 16,912,204,420.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.