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Finding the Third Proportional to 1,219,091,391 and 2,671,086,982.50

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Solution

The third proportional to 1,219,091,391 and 2,671,086,982.50 is: 5,852,478,100.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,091,391 : 2,671,086,982.50 = 2,671,086,982.50 : x
  2. Step 2: Convert to fraction form
    1,219,091,391/2,671,086,982.50 = 2,671,086,982.50/x
  3. Step 3: Cross multiply
    1,219,091,391x = 2,671,086,982.50 × 2,671,086,982.50
  4. Step 4: Simplify right side
    1,219,091,391x = 7,134,705,668,080,955,392
  5. Step 5: Solve for x
    x = 7,134,705,668,080,955,392/1,219,091,391
  6. Step 6: Final answer
    x = 5,852,478,100.29

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.