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Finding the Third Proportional to 296,538 and 699,676.50

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Solution

The third proportional to 296,538 and 699,676.50 is: 1,650,875.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,538 : 699,676.50 = 699,676.50 : x
  2. Step 2: Convert to fraction form
    296,538/699,676.50 = 699,676.50/x
  3. Step 3: Cross multiply
    296,538x = 699,676.50 × 699,676.50
  4. Step 4: Simplify right side
    296,538x = 489,547,204,652.25
  5. Step 5: Solve for x
    x = 489,547,204,652.25/296,538
  6. Step 6: Final answer
    x = 1,650,875.11

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.