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Finding the Third Proportional to 325,672 and 707,047

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Solution

The third proportional to 325,672 and 707,047 is: 1,535,027.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,672 : 707,047 = 707,047 : x
  2. Step 2: Convert to fraction form
    325,672/707,047 = 707,047/x
  3. Step 3: Cross multiply
    325,672x = 707,047 × 707,047
  4. Step 4: Simplify right side
    325,672x = 499,915,460,209
  5. Step 5: Solve for x
    x = 499,915,460,209/325,672
  6. Step 6: Final answer
    x = 1,535,027.45

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.