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Finding the Third Proportional to 688,854 and 1,459,656

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Solution

The third proportional to 688,854 and 1,459,656 is: 3,092,956.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,854 : 1,459,656 = 1,459,656 : x
  2. Step 2: Convert to fraction form
    688,854/1,459,656 = 1,459,656/x
  3. Step 3: Cross multiply
    688,854x = 1,459,656 × 1,459,656
  4. Step 4: Simplify right side
    688,854x = 2,130,595,638,336
  5. Step 5: Solve for x
    x = 2,130,595,638,336/688,854
  6. Step 6: Final answer
    x = 3,092,956.76

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.