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Finding the Third Proportional to 371,074 and 555,639

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Solution

The third proportional to 371,074 and 555,639 is: 832,003.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,074 : 555,639 = 555,639 : x
  2. Step 2: Convert to fraction form
    371,074/555,639 = 555,639/x
  3. Step 3: Cross multiply
    371,074x = 555,639 × 555,639
  4. Step 4: Simplify right side
    371,074x = 308,734,698,321
  5. Step 5: Solve for x
    x = 308,734,698,321/371,074
  6. Step 6: Final answer
    x = 832,003.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.