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Finding the Third Proportional to 718,579 and 1,569,402

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Solution

The third proportional to 718,579 and 1,569,402 is: 3,427,629.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,579 : 1,569,402 = 1,569,402 : x
  2. Step 2: Convert to fraction form
    718,579/1,569,402 = 1,569,402/x
  3. Step 3: Cross multiply
    718,579x = 1,569,402 × 1,569,402
  4. Step 4: Simplify right side
    718,579x = 2,463,022,637,604
  5. Step 5: Solve for x
    x = 2,463,022,637,604/718,579
  6. Step 6: Final answer
    x = 3,427,629.58

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.