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Finding the Third Proportional to 1,125,655 and 1,685,403

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Solution

The third proportional to 1,125,655 and 1,685,403 is: 2,523,493.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,655 : 1,685,403 = 1,685,403 : x
  2. Step 2: Convert to fraction form
    1,125,655/1,685,403 = 1,685,403/x
  3. Step 3: Cross multiply
    1,125,655x = 1,685,403 × 1,685,403
  4. Step 4: Simplify right side
    1,125,655x = 2,840,583,272,409
  5. Step 5: Solve for x
    x = 2,840,583,272,409/1,125,655
  6. Step 6: Final answer
    x = 2,523,493.67

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