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Finding the Third Proportional to 360,660 and 783,528

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Solution

The third proportional to 360,660 and 783,528 is: 1,702,201.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,660 : 783,528 = 783,528 : x
  2. Step 2: Convert to fraction form
    360,660/783,528 = 783,528/x
  3. Step 3: Cross multiply
    360,660x = 783,528 × 783,528
  4. Step 4: Simplify right side
    360,660x = 613,916,126,784
  5. Step 5: Solve for x
    x = 613,916,126,784/360,660
  6. Step 6: Final answer
    x = 1,702,201.87

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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.