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Finding the Third Proportional to 688,567.50 and 1,491,480

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Solution

The third proportional to 688,567.50 and 1,491,480 is: 3,230,638.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,567.50 : 1,491,480 = 1,491,480 : x
  2. Step 2: Convert to fraction form
    688,567.50/1,491,480 = 1,491,480/x
  3. Step 3: Cross multiply
    688,567.50x = 1,491,480 × 1,491,480
  4. Step 4: Simplify right side
    688,567.50x = 2,224,512,590,400
  5. Step 5: Solve for x
    x = 2,224,512,590,400/688,567.50
  6. Step 6: Final answer
    x = 3,230,638.38

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.