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Finding the Third Proportional to 355,471.50 and 577,519.50

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Solution

The third proportional to 355,471.50 and 577,519.50 is: 938,271.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,471.50 : 577,519.50 = 577,519.50 : x
  2. Step 2: Convert to fraction form
    355,471.50/577,519.50 = 577,519.50/x
  3. Step 3: Cross multiply
    355,471.50x = 577,519.50 × 577,519.50
  4. Step 4: Simplify right side
    355,471.50x = 333,528,772,880.25
  5. Step 5: Solve for x
    x = 333,528,772,880.25/355,471.50
  6. Step 6: Final answer
    x = 938,271.49

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.