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Finding the Third Proportional to 656,409,280 and 1,432,775,815

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Solution

The third proportional to 656,409,280 and 1,432,775,815 is: 3,127,388,046.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,409,280 : 1,432,775,815 = 1,432,775,815 : x
  2. Step 2: Convert to fraction form
    656,409,280/1,432,775,815 = 1,432,775,815/x
  3. Step 3: Cross multiply
    656,409,280x = 1,432,775,815 × 1,432,775,815
  4. Step 4: Simplify right side
    656,409,280x = 2,052,846,536,048,914,176
  5. Step 5: Solve for x
    x = 2,052,846,536,048,914,176/656,409,280
  6. Step 6: Final answer
    x = 3,127,388,046.75

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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.