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Finding the Third Proportional to 988,935,126 and 2,059,255,494

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Solution

The third proportional to 988,935,126 and 2,059,255,494 is: 4,287,979,138.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,935,126 : 2,059,255,494 = 2,059,255,494 : x
  2. Step 2: Convert to fraction form
    988,935,126/2,059,255,494 = 2,059,255,494/x
  3. Step 3: Cross multiply
    988,935,126x = 2,059,255,494 × 2,059,255,494
  4. Step 4: Simplify right side
    988,935,126x = 4,240,533,189,569,184,256
  5. Step 5: Solve for x
    x = 4,240,533,189,569,184,256/988,935,126
  6. Step 6: Final answer
    x = 4,287,979,138.45

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.