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Finding the Third Proportional to 258,030 and 565,632

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Solution

The third proportional to 258,030 and 565,632 is: 1,239,931.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,030 : 565,632 = 565,632 : x
  2. Step 2: Convert to fraction form
    258,030/565,632 = 565,632/x
  3. Step 3: Cross multiply
    258,030x = 565,632 × 565,632
  4. Step 4: Simplify right side
    258,030x = 319,939,559,424
  5. Step 5: Solve for x
    x = 319,939,559,424/258,030
  6. Step 6: Final answer
    x = 1,239,931.63

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.