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Finding the Third Proportional to 558,476 and 887,772

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Solution

The third proportional to 558,476 and 887,772 is: 1,411,231.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,476 : 887,772 = 887,772 : x
  2. Step 2: Convert to fraction form
    558,476/887,772 = 887,772/x
  3. Step 3: Cross multiply
    558,476x = 887,772 × 887,772
  4. Step 4: Simplify right side
    558,476x = 788,139,123,984
  5. Step 5: Solve for x
    x = 788,139,123,984/558,476
  6. Step 6: Final answer
    x = 1,411,231.86

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.