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Finding the Third Proportional to 395,042 and 564,513

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Solution

The third proportional to 395,042 and 564,513 is: 806,686.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,042 : 564,513 = 564,513 : x
  2. Step 2: Convert to fraction form
    395,042/564,513 = 564,513/x
  3. Step 3: Cross multiply
    395,042x = 564,513 × 564,513
  4. Step 4: Simplify right side
    395,042x = 318,674,927,169
  5. Step 5: Solve for x
    x = 318,674,927,169/395,042
  6. Step 6: Final answer
    x = 806,686.19

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.