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Finding the Third Proportional to 423,042 and 887,588

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Solution

The third proportional to 423,042 and 887,588 is: 1,862,255.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,042 : 887,588 = 887,588 : x
  2. Step 2: Convert to fraction form
    423,042/887,588 = 887,588/x
  3. Step 3: Cross multiply
    423,042x = 887,588 × 887,588
  4. Step 4: Simplify right side
    423,042x = 787,812,457,744
  5. Step 5: Solve for x
    x = 787,812,457,744/423,042
  6. Step 6: Final answer
    x = 1,862,255.89

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.