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Finding the Third Proportional to 624,545 and 1,343,815

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Solution

The third proportional to 624,545 and 1,343,815 is: 2,891,446.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,545 : 1,343,815 = 1,343,815 : x
  2. Step 2: Convert to fraction form
    624,545/1,343,815 = 1,343,815/x
  3. Step 3: Cross multiply
    624,545x = 1,343,815 × 1,343,815
  4. Step 4: Simplify right side
    624,545x = 1,805,838,754,225
  5. Step 5: Solve for x
    x = 1,805,838,754,225/624,545
  6. Step 6: Final answer
    x = 2,891,446.98

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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.