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Finding the Third Proportional to 368,957 and 564,140

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Solution

The third proportional to 368,957 and 564,140 is: 862,577.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,957 : 564,140 = 564,140 : x
  2. Step 2: Convert to fraction form
    368,957/564,140 = 564,140/x
  3. Step 3: Cross multiply
    368,957x = 564,140 × 564,140
  4. Step 4: Simplify right side
    368,957x = 318,253,939,600
  5. Step 5: Solve for x
    x = 318,253,939,600/368,957
  6. Step 6: Final answer
    x = 862,577.32

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.