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Finding the Third Proportional to 719,446 and 1,554,165

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Solution

The third proportional to 719,446 and 1,554,165 is: 3,357,345.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,446 : 1,554,165 = 1,554,165 : x
  2. Step 2: Convert to fraction form
    719,446/1,554,165 = 1,554,165/x
  3. Step 3: Cross multiply
    719,446x = 1,554,165 × 1,554,165
  4. Step 4: Simplify right side
    719,446x = 2,415,428,847,225
  5. Step 5: Solve for x
    x = 2,415,428,847,225/719,446
  6. Step 6: Final answer
    x = 3,357,345.58

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.