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Finding the Third Proportional to 720,270 and 1,545,516

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Solution

The third proportional to 720,270 and 1,545,516 is: 3,316,283.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,270 : 1,545,516 = 1,545,516 : x
  2. Step 2: Convert to fraction form
    720,270/1,545,516 = 1,545,516/x
  3. Step 3: Cross multiply
    720,270x = 1,545,516 × 1,545,516
  4. Step 4: Simplify right side
    720,270x = 2,388,619,706,256
  5. Step 5: Solve for x
    x = 2,388,619,706,256/720,270
  6. Step 6: Final answer
    x = 3,316,283.76

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.