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Finding the Third Proportional to 1,902,573,666 and 2,910,724,686

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Solution

The third proportional to 1,902,573,666 and 2,910,724,686 is: 4,453,082,868.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902,573,666 : 2,910,724,686 = 2,910,724,686 : x
  2. Step 2: Convert to fraction form
    1,902,573,666/2,910,724,686 = 2,910,724,686/x
  3. Step 3: Cross multiply
    1,902,573,666x = 2,910,724,686 × 2,910,724,686
  4. Step 4: Simplify right side
    1,902,573,666x = 8,472,318,197,689,798,656
  5. Step 5: Solve for x
    x = 8,472,318,197,689,798,656/1,902,573,666
  6. Step 6: Final answer
    x = 4,453,082,868.27

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.