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Finding the Third Proportional to 879,898 and 1,372,431

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Solution

The third proportional to 879,898 and 1,372,431 is: 2,140,665.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,898 : 1,372,431 = 1,372,431 : x
  2. Step 2: Convert to fraction form
    879,898/1,372,431 = 1,372,431/x
  3. Step 3: Cross multiply
    879,898x = 1,372,431 × 1,372,431
  4. Step 4: Simplify right side
    879,898x = 1,883,566,849,761
  5. Step 5: Solve for x
    x = 1,883,566,849,761/879,898
  6. Step 6: Final answer
    x = 2,140,665.00

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.