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Finding the Third Proportional to 545,391 and 1,273,808

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Solution

The third proportional to 545,391 and 1,273,808 is: 2,975,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,391 : 1,273,808 = 1,273,808 : x
  2. Step 2: Convert to fraction form
    545,391/1,273,808 = 1,273,808/x
  3. Step 3: Cross multiply
    545,391x = 1,273,808 × 1,273,808
  4. Step 4: Simplify right side
    545,391x = 1,622,586,820,864
  5. Step 5: Solve for x
    x = 1,622,586,820,864/545,391
  6. Step 6: Final answer
    x = 2,975,089.10

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.