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Finding the Third Proportional to 287,652.50 and 625,807

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Solution

The third proportional to 287,652.50 and 625,807 is: 1,361,484.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,652.50 : 625,807 = 625,807 : x
  2. Step 2: Convert to fraction form
    287,652.50/625,807 = 625,807/x
  3. Step 3: Cross multiply
    287,652.50x = 625,807 × 625,807
  4. Step 4: Simplify right side
    287,652.50x = 391,634,401,249
  5. Step 5: Solve for x
    x = 391,634,401,249/287,652.50
  6. Step 6: Final answer
    x = 1,361,484.43

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.