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Finding the Third Proportional to 409,353 and 631,527

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Solution

The third proportional to 409,353 and 631,527 is: 974,284.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,353 : 631,527 = 631,527 : x
  2. Step 2: Convert to fraction form
    409,353/631,527 = 631,527/x
  3. Step 3: Cross multiply
    409,353x = 631,527 × 631,527
  4. Step 4: Simplify right side
    409,353x = 398,826,351,729
  5. Step 5: Solve for x
    x = 398,826,351,729/409,353
  6. Step 6: Final answer
    x = 974,284.67

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.