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Finding the Third Proportional to 721,600 and 1,558,827.50

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Solution

The third proportional to 721,600 and 1,558,827.50 is: 3,367,437.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,600 : 1,558,827.50 = 1,558,827.50 : x
  2. Step 2: Convert to fraction form
    721,600/1,558,827.50 = 1,558,827.50/x
  3. Step 3: Cross multiply
    721,600x = 1,558,827.50 × 1,558,827.50
  4. Step 4: Simplify right side
    721,600x = 2,429,943,174,756.25
  5. Step 5: Solve for x
    x = 2,429,943,174,756.25/721,600
  6. Step 6: Final answer
    x = 3,367,437.88

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.