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Finding the Third Proportional to 821,052 and 1,307,465

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Solution

The third proportional to 821,052 and 1,307,465 is: 2,082,041.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,052 : 1,307,465 = 1,307,465 : x
  2. Step 2: Convert to fraction form
    821,052/1,307,465 = 1,307,465/x
  3. Step 3: Cross multiply
    821,052x = 1,307,465 × 1,307,465
  4. Step 4: Simplify right side
    821,052x = 1,709,464,726,225
  5. Step 5: Solve for x
    x = 1,709,464,726,225/821,052
  6. Step 6: Final answer
    x = 2,082,041.97

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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.