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Finding the Third Proportional to 821,056.50 and 1,307,472

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Solution

The third proportional to 821,056.50 and 1,307,472 is: 2,082,052.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,056.50 : 1,307,472 = 1,307,472 : x
  2. Step 2: Convert to fraction form
    821,056.50/1,307,472 = 1,307,472/x
  3. Step 3: Cross multiply
    821,056.50x = 1,307,472 × 1,307,472
  4. Step 4: Simplify right side
    821,056.50x = 1,709,483,030,784
  5. Step 5: Solve for x
    x = 1,709,483,030,784/821,056.50
  6. Step 6: Final answer
    x = 2,082,052.86

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.