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Finding the Third Proportional to 371,892,856 and 810,747,352

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Solution

The third proportional to 371,892,856 and 810,747,352 is: 1,767,474,847.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,892,856 : 810,747,352 = 810,747,352 : x
  2. Step 2: Convert to fraction form
    371,892,856/810,747,352 = 810,747,352/x
  3. Step 3: Cross multiply
    371,892,856x = 810,747,352 × 810,747,352
  4. Step 4: Simplify right side
    371,892,856x = 657,311,268,775,011,840
  5. Step 5: Solve for x
    x = 657,311,268,775,011,840/371,892,856
  6. Step 6: Final answer
    x = 1,767,474,847.04

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.