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Finding the Third Proportional to 638,634 and 1,064,344.50

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Solution

The third proportional to 638,634 and 1,064,344.50 is: 1,773,831.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,634 : 1,064,344.50 = 1,064,344.50 : x
  2. Step 2: Convert to fraction form
    638,634/1,064,344.50 = 1,064,344.50/x
  3. Step 3: Cross multiply
    638,634x = 1,064,344.50 × 1,064,344.50
  4. Step 4: Simplify right side
    638,634x = 1,132,829,214,680.25
  5. Step 5: Solve for x
    x = 1,132,829,214,680.25/638,634
  6. Step 6: Final answer
    x = 1,773,831.67

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.