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Finding the Third Proportional to 988,935,186 and 2,059,255,581

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Solution

The third proportional to 988,935,186 and 2,059,255,581 is: 4,287,979,240.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,935,186 : 2,059,255,581 = 2,059,255,581 : x
  2. Step 2: Convert to fraction form
    988,935,186/2,059,255,581 = 2,059,255,581/x
  3. Step 3: Cross multiply
    988,935,186x = 2,059,255,581 × 2,059,255,581
  4. Step 4: Simplify right side
    988,935,186x = 4,240,533,547,879,647,744
  5. Step 5: Solve for x
    x = 4,240,533,547,879,647,744/988,935,186
  6. Step 6: Final answer
    x = 4,287,979,240.61

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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.