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Finding the Third Proportional to 243,386 and 534,724

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Solution

The third proportional to 243,386 and 534,724 is: 1,174,799.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,386 : 534,724 = 534,724 : x
  2. Step 2: Convert to fraction form
    243,386/534,724 = 534,724/x
  3. Step 3: Cross multiply
    243,386x = 534,724 × 534,724
  4. Step 4: Simplify right side
    243,386x = 285,929,756,176
  5. Step 5: Solve for x
    x = 285,929,756,176/243,386
  6. Step 6: Final answer
    x = 1,174,799.52

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.